jro_apps/redmine Commit - r785:586231067bb1

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# vim:ts=4:sw=4:

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# vim:ts=4:sw=4:

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# = RedCloth - Textile and Markdown Hybrid for Ruby

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# = RedCloth - Textile and Markdown Hybrid for Ruby

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#

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#

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# Homepage:: http://whytheluckystiff.net/ruby/redcloth/

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# Homepage:: http://whytheluckystiff.net/ruby/redcloth/

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# Author:: why the lucky stiff (http://whytheluckystiff.net/)

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# Author:: why the lucky stiff (http://whytheluckystiff.net/)

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# Copyright:: (cc) 2004 why the lucky stiff (and his puppet organizations.)

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# Copyright:: (cc) 2004 why the lucky stiff (and his puppet organizations.)

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# License:: BSD

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# License:: BSD

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#

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#

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# (see http://hobix.com/textile/ for a Textile Reference.)

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# (see http://hobix.com/textile/ for a Textile Reference.)

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#

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#

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# Based on (and also inspired by) both:

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# Based on (and also inspired by) both:

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#

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#

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# PyTextile: http://diveintomark.org/projects/textile/textile.py.txt

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# PyTextile: http://diveintomark.org/projects/textile/textile.py.txt

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# Textism for PHP: http://www.textism.com/tools/textile/

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# Textism for PHP: http://www.textism.com/tools/textile/

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#

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#

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#

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#

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# = RedCloth

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# = RedCloth

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#

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#

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# RedCloth is a Ruby library for converting Textile and/or Markdown

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# RedCloth is a Ruby library for converting Textile and/or Markdown

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# into HTML. You can use either format, intermingled or separately.

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# into HTML. You can use either format, intermingled or separately.

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# You can also extend RedCloth to honor your own custom text stylings.

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# You can also extend RedCloth to honor your own custom text stylings.

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#

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#

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# RedCloth users are encouraged to use Textile if they are generating

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# RedCloth users are encouraged to use Textile if they are generating

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# HTML and to use Markdown if others will be viewing the plain text.

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# HTML and to use Markdown if others will be viewing the plain text.

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#

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#

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# == What is Textile?

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# == What is Textile?

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#

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#

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# Textile is a simple formatting style for text

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# Textile is a simple formatting style for text

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# documents, loosely based on some HTML conventions.

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# documents, loosely based on some HTML conventions.

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#

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#

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# == Sample Textile Text

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# == Sample Textile Text

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#

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#

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# h2. This is a title

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# h2. This is a title

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#

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#

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# h3. This is a subhead

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# h3. This is a subhead

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#

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#

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# This is a bit of paragraph.

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# This is a bit of paragraph.

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#

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#

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# bq. This is a blockquote.

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# bq. This is a blockquote.

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#

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#

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# = Writing Textile

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# = Writing Textile

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#

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#

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# A Textile document consists of paragraphs. Paragraphs

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# A Textile document consists of paragraphs. Paragraphs

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# can be specially formatted by adding a small instruction

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# can be specially formatted by adding a small instruction

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# to the beginning of the paragraph.

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# to the beginning of the paragraph.

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#

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#

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# h[n]. Header of size [n].

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# h[n]. Header of size [n].

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# bq. Blockquote.

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# bq. Blockquote.

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# # Numeric list.

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# # Numeric list.

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# * Bulleted list.

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# * Bulleted list.

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#

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#

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# == Quick Phrase Modifiers

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# == Quick Phrase Modifiers

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#

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#

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# Quick phrase modifiers are also included, to allow formatting

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# Quick phrase modifiers are also included, to allow formatting

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# of small portions of text within a paragraph.

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# of small portions of text within a paragraph.

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#

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#

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# \_emphasis\_

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# \_emphasis\_

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# \_\_italicized\_\_

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# \_\_italicized\_\_

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# \*strong\*

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# \*strong\*

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# \*\*bold\*\*

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# \*\*bold\*\*

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# ??citation??

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# ??citation??

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# -deleted text-

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# -deleted text-

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# +inserted text+

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# +inserted text+

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# ^superscript^

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# ^superscript^

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# ~subscript~

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# ~subscript~

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# @code@

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# @code@

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# %(classname)span%

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# %(classname)span%

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#

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#

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# ==notextile== (leave text alone)

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# ==notextile== (leave text alone)

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#

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#

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# == Links

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# == Links

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#

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#

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# To make a hypertext link, put the link text in "quotation

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# To make a hypertext link, put the link text in "quotation

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# marks" followed immediately by a colon and the URL of the link.

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# marks" followed immediately by a colon and the URL of the link.

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#

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#

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# Optional: text in (parentheses) following the link text,

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# Optional: text in (parentheses) following the link text,

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# but before the closing quotation mark, will become a Title

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# but before the closing quotation mark, will become a Title

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# attribute for the link, visible as a tool tip when a cursor is above it.

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# attribute for the link, visible as a tool tip when a cursor is above it.

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#

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#

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# Example:

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# Example:

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#

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#

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# "This is a link (This is a title) ":http://www.textism.com

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# "This is a link (This is a title) ":http://www.textism.com

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#

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#

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# Will become:

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# Will become:

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#

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#

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# <a href="http://www.textism.com" title="This is a title">This is a link</a>

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# <a href="http://www.textism.com" title="This is a title">This is a link</a>

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#

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#

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# == Images

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# == Images

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#

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#

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# To insert an image, put the URL for the image inside exclamation marks.

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# To insert an image, put the URL for the image inside exclamation marks.

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#

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#

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# Optional: text that immediately follows the URL in (parentheses) will

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# Optional: text that immediately follows the URL in (parentheses) will

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# be used as the Alt text for the image. Images on the web should always

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# be used as the Alt text for the image. Images on the web should always

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# have descriptive Alt text for the benefit of readers using non-graphical

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# have descriptive Alt text for the benefit of readers using non-graphical

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# browsers.

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# browsers.

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#

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#

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# Optional: place a colon followed by a URL immediately after the

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# Optional: place a colon followed by a URL immediately after the

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# closing ! to make the image into a link.

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# closing ! to make the image into a link.

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#

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#

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# Example:

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# Example:

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#

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#

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# !http://www.textism.com/common/textist.gif(Textist)!

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# !http://www.textism.com/common/textist.gif(Textist)!

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#

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#

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# Will become:

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# Will become:

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#

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#

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# <img src="http://www.textism.com/common/textist.gif" alt="Textist" />

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# <img src="http://www.textism.com/common/textist.gif" alt="Textist" />

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#

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#

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# With a link:

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# With a link:

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#

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#

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# !/common/textist.gif(Textist)!:http://textism.com

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# !/common/textist.gif(Textist)!:http://textism.com

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#

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#

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# Will become:

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# Will become:

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#

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#

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# <a href="http://textism.com"><img src="/common/textist.gif" alt="Textist" /></a>

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# <a href="http://textism.com"><img src="/common/textist.gif" alt="Textist" /></a>

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#

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#

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# == Defining Acronyms

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# == Defining Acronyms

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#

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#

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# HTML allows authors to define acronyms via the tag. The definition appears as a

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# HTML allows authors to define acronyms via the tag. The definition appears as a

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# tool tip when a cursor hovers over the acronym. A crucial aid to clear writing,

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# tool tip when a cursor hovers over the acronym. A crucial aid to clear writing,

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# this should be used at least once for each acronym in documents where they appear.

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# this should be used at least once for each acronym in documents where they appear.

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#

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#

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# To quickly define an acronym in Textile, place the full text in (parentheses)

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# To quickly define an acronym in Textile, place the full text in (parentheses)

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# immediately following the acronym.

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# immediately following the acronym.

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#

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#

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# Example:

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# Example:

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#

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#

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# ACLU(American Civil Liberties Union)

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# ACLU(American Civil Liberties Union)

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#

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#

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# Will become:

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# Will become:

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#

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#

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# <acronym title="American Civil Liberties Union">ACLU</acronym>

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# <acronym title="American Civil Liberties Union">ACLU</acronym>

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#

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#

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# == Adding Tables

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# == Adding Tables

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#

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#

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# In Textile, simple tables can be added by seperating each column by

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# In Textile, simple tables can be added by seperating each column by

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# a pipe.

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# a pipe.

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#

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#

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# |a|simple|table|row|

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# |a|simple|table|row|

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# |And|Another|table|row|

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# |And|Another|table|row|

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#

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#

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# Attributes are defined by style definitions in parentheses.

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# Attributes are defined by style definitions in parentheses.

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#

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#

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# table(border:1px solid black).

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# table(border:1px solid black).

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# (background:#ddd;color:red). |{}| | | |

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# (background:#ddd;color:red). |{}| | | |

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#

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#

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# == Using RedCloth

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# == Using RedCloth

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#

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#

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# RedCloth is simply an extension of the String class, which can handle

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# RedCloth is simply an extension of the String class, which can handle

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# Textile formatting. Use it like a String and output HTML with its

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# Textile formatting. Use it like a String and output HTML with its

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# RedCloth#to_html method.

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# RedCloth#to_html method.

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#

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#

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# doc = RedCloth.new "

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# doc = RedCloth.new "

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#

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#

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# h2. Test document

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# h2. Test document

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#

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#

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# Just a simple test."

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# Just a simple test."

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#

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#

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# puts doc.to_html

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# puts doc.to_html

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#

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#

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# By default, RedCloth uses both Textile and Markdown formatting, with

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# By default, RedCloth uses both Textile and Markdown formatting, with

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# Textile formatting taking precedence. If you want to turn off Markdown

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# Textile formatting taking precedence. If you want to turn off Markdown

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# formatting, to boost speed and limit the processor:

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# formatting, to boost speed and limit the processor:

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#

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#

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# class RedCloth::Textile.new( str )

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# class RedCloth::Textile.new( str )

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class RedCloth < String

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class RedCloth < String

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VERSION = '3.0.4'

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VERSION = '3.0.4'

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DEFAULT_RULES = [:textile, :markdown]

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DEFAULT_RULES = [:textile, :markdown]

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#

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#

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# Two accessor for setting security restrictions.

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# Two accessor for setting security restrictions.

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#

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#

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# This is a nice thing if you're using RedCloth for

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# This is a nice thing if you're using RedCloth for

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# formatting in public places (e.g. Wikis) where you

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# formatting in public places (e.g. Wikis) where you

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# don't want users to abuse HTML for bad things.

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# don't want users to abuse HTML for bad things.

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#

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#

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# If +:filter_html+ is set, HTML which wasn't

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# If +:filter_html+ is set, HTML which wasn't

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# created by the Textile processor will be escaped.

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# created by the Textile processor will be escaped.

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#

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#

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# If +:filter_styles+ is set, it will also disable

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# If +:filter_styles+ is set, it will also disable

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# the style markup specifier. ('{color: red}')

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# the style markup specifier. ('{color: red}')

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#

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#

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attr_accessor :filter_html, :filter_styles

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attr_accessor :filter_html, :filter_styles

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#

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#

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# Accessor for toggling hard breaks.

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# Accessor for toggling hard breaks.

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#

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#

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# If +:hard_breaks+ is set, single newlines will

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# If +:hard_breaks+ is set, single newlines will

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# be converted to HTML break tags. This is the

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# be converted to HTML break tags. This is the

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# default behavior for traditional RedCloth.

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# default behavior for traditional RedCloth.

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#

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#

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attr_accessor :hard_breaks

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attr_accessor :hard_breaks

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# Accessor for toggling lite mode.

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# Accessor for toggling lite mode.

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#

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#

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# In lite mode, block-level rules are ignored. This means

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# In lite mode, block-level rules are ignored. This means

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# that tables, paragraphs, lists, and such aren't available.

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# that tables, paragraphs, lists, and such aren't available.

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# Only the inline markup for bold, italics, entities and so on.

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# Only the inline markup for bold, italics, entities and so on.

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#

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#

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# r = RedCloth.new( "And then? She *fell*!", [:lite_mode] )

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# r = RedCloth.new( "And then? She *fell*!", [:lite_mode] )

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# r.to_html

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# r.to_html

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# #=> "And then? She <strong>fell</strong>!"

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# #=> "And then? She <strong>fell</strong>!"

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#

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#

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attr_accessor :lite_mode

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attr_accessor :lite_mode

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#

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#

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# Accessor for toggling span caps.

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# Accessor for toggling span caps.

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#

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#

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# Textile places `span' tags around capitalized

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# Textile places `span' tags around capitalized

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# words by default, but this wreaks havoc on Wikis.

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# words by default, but this wreaks havoc on Wikis.

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# If +:no_span_caps+ is set, this will be

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# If +:no_span_caps+ is set, this will be

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# suppressed.

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# suppressed.

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#

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#

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attr_accessor :no_span_caps

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attr_accessor :no_span_caps

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#

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#

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# Establishes the markup predence. Available rules include:

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# Establishes the markup predence. Available rules include:

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#

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#

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# == Textile Rules

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# == Textile Rules

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#

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#

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# The following textile rules can be set individually. Or add the complete

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# The following textile rules can be set individually. Or add the complete

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# set of rules with the single :textile rule, which supplies the rule set in

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# set of rules with the single :textile rule, which supplies the rule set in

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# the following precedence:

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# the following precedence:

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#

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#

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# refs_textile:: Textile references (i.e. [hobix]http://hobix.com/)

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# refs_textile:: Textile references (i.e. [hobix]http://hobix.com/)

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# block_textile_table:: Textile table block structures

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# block_textile_table:: Textile table block structures

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# block_textile_lists:: Textile list structures

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# block_textile_lists:: Textile list structures

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# block_textile_prefix:: Textile blocks with prefixes (i.e. bq., h2., etc.)

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# block_textile_prefix:: Textile blocks with prefixes (i.e. bq., h2., etc.)

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# inline_textile_image:: Textile inline images

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# inline_textile_image:: Textile inline images

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# inline_textile_link:: Textile inline links

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# inline_textile_link:: Textile inline links

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# inline_textile_span:: Textile inline spans

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# inline_textile_span:: Textile inline spans

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# glyphs_textile:: Textile entities (such as em-dashes and smart quotes)

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# glyphs_textile:: Textile entities (such as em-dashes and smart quotes)

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#

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#

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# == Markdown

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# == Markdown

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#

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#

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# refs_markdown:: Markdown references (for example: [hobix]: http://hobix.com/)

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# refs_markdown:: Markdown references (for example: [hobix]: http://hobix.com/)

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# block_markdown_setext:: Markdown setext headers

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# block_markdown_setext:: Markdown setext headers

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# block_markdown_atx:: Markdown atx headers

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# block_markdown_atx:: Markdown atx headers

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# block_markdown_rule:: Markdown horizontal rules

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# block_markdown_rule:: Markdown horizontal rules

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# block_markdown_bq:: Markdown blockquotes

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# block_markdown_bq:: Markdown blockquotes

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# block_markdown_lists:: Markdown lists

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# block_markdown_lists:: Markdown lists

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# inline_markdown_link:: Markdown links

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# inline_markdown_link:: Markdown links

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attr_accessor :rules

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attr_accessor :rules

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# Returns a new RedCloth object, based on _string_ and

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# Returns a new RedCloth object, based on _string_ and

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# enforcing all the included _restrictions_.

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# enforcing all the included _restrictions_.

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#

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#

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# r = RedCloth.new( "h1. A <b>bold</b> man", [:filter_html] )

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# r = RedCloth.new( "h1. A <b>bold</b> man", [:filter_html] )

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# r.to_html

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# r.to_html

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# #=>"<h1>A <b>bold</b> man</h1>"

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# #=>"<h1>A <b>bold</b> man</h1>"

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#

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#

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def initialize( string, restrictions = [] )

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def initialize( string, restrictions = [] )

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restrictions.each { |r| method( "#{ r }=" ).call( true ) }

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restrictions.each { |r| method( "#{ r }=" ).call( true ) }

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super( string )

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super( string )

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end

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end

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#

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#

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# Generates HTML from the Textile contents.

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# Generates HTML from the Textile contents.

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#

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#

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# r = RedCloth.new( "And then? She *fell*!" )

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# r = RedCloth.new( "And then? She *fell*!" )

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# r.to_html( true )

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# r.to_html( true )

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# #=>"And then? She <strong>fell</strong>!"

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# #=>"And then? She <strong>fell</strong>!"

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#

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#

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def to_html( *rules )

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def to_html( *rules )

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rules = DEFAULT_RULES if rules.empty?

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rules = DEFAULT_RULES if rules.empty?

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# make our working copy

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# make our working copy

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text = self.dup

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text = self.dup

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@urlrefs = {}

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@urlrefs = {}

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@shelf = []

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@shelf = []

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textile_rules = [:refs_textile, :block_textile_table, :block_textile_lists,

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textile_rules = [:refs_textile, :block_textile_table, :block_textile_lists,

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:block_textile_prefix, :inline_textile_image, :inline_textile_link,

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:block_textile_prefix, :inline_textile_image, :inline_textile_link,

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:inline_textile_code, :inline_textile_span, :glyphs_textile]

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:inline_textile_code, :inline_textile_span, :glyphs_textile]

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markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,

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markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,

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:block_markdown_bq, :block_markdown_lists,

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:block_markdown_bq, :block_markdown_lists,

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:inline_markdown_reflink, :inline_markdown_link]

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:inline_markdown_reflink, :inline_markdown_link]

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@rules = rules.collect do |rule|

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@rules = rules.collect do |rule|

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case rule

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case rule

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when :markdown

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when :markdown

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markdown_rules

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markdown_rules

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when :textile

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when :textile

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textile_rules

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textile_rules

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else

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else

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rule

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rule

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end

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end

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end.flatten

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end.flatten

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# standard clean up

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# standard clean up

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incoming_entities text

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incoming_entities text

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clean_white_space text

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clean_white_space text

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# start processor

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# start processor

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@pre_list = []

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@pre_list = []

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rip_offtags text

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rip_offtags text

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no_textile text

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no_textile text

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hard_break text

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hard_break text

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unless @lite_mode

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unless @lite_mode

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refs text

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refs text

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blocks text

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blocks text

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end

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end

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inline text

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inline text

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smooth_offtags text

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smooth_offtags text

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retrieve text

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retrieve text

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text.gsub!( /<\/?notextile>/, '' )

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text.gsub!( /<\/?notextile>/, '' )

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text.gsub!( /x%x%/, '&' )

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text.gsub!( /x%x%/, '&' )

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clean_html text if filter_html

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clean_html text if filter_html

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text.strip!

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text.strip!

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text

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text

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end

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end

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#######

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#######

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private

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private

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#######

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#######

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#

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#

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# Mapping of 8-bit ASCII codes to HTML numerical entity equivalents.

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# Mapping of 8-bit ASCII codes to HTML numerical entity equivalents.

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# (from PyTextile)

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# (from PyTextile)

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#

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#

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TEXTILE_TAGS =

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TEXTILE_TAGS =

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[[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230],

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[[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230],

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[134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249],

326

[134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249],

327

[140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217],

327

[140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217],

328

[147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732],

328

[147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732],

329

[153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]].

329

[153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]].

330

331

collect! do |a, b|

331

collect! do |a, b|

332

[a.chr, ( b.zero? and "" or "&#{ b };" )]

332

[a.chr, ( b.zero? and "" or "&#{ b };" )]

333

end

333

end

334

335

#

335

#

336

# Regular expressions to convert to HTML.

336

# Regular expressions to convert to HTML.

337

#

337

#

338

A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/

338

A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/

339

A_VLGN = /[\-^~]/

339

A_VLGN = /[\-^~]/

340

C_CLAS = '(?:$[^)]+$)'

340

C_CLAS = '(?:$[^)]+$)'

341

C_LNGE = '(?:\[[^\]]+\])'

341

C_LNGE = '(?:\[[^\]]+\])'

342

C_STYL = '(?:\{[^}]+\})'

342

C_STYL = '(?:\{[^}]+\})'

343

S_CSPN = '(?:\\\\\d+)'

343

S_CSPN = '(?:\\\\\d+)'

344

S_RSPN = '(?:/\d+)'

344

S_RSPN = '(?:/\d+)'

345

A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)"

345

A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)"

346

S = "(?:#{S_CSPN}?#{S_RSPN}|#{S_RSPN}?#{S_CSPN}?)"

346

S = "(?:#{S_CSPN}?#{S_RSPN}|#{S_RSPN}?#{S_CSPN}?)"

347

C = "(?:#{C_CLAS}?#{C_STYL}?#{C_LNGE}?|#{C_STYL}?#{C_LNGE}?#{C_CLAS}?|#{C_LNGE}?#{C_STYL}?#{C_CLAS}?)"

347

C = "(?:#{C_CLAS}?#{C_STYL}?#{C_LNGE}?|#{C_STYL}?#{C_LNGE}?#{C_CLAS}?|#{C_LNGE}?#{C_STYL}?#{C_CLAS}?)"

348

# PUNCT = Regexp::quote( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' )

348

# PUNCT = Regexp::quote( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' )

349

PUNCT = Regexp::quote( '!"#$%&\'*+,-./:;=?@\\^_`|~' )

349

PUNCT = Regexp::quote( '!"#$%&\'*+,-./:;=?@\\^_`|~' )

350

PUNCT_NOQ = Regexp::quote( '!"#$&\',./:;=?@\\`|' )

350

PUNCT_NOQ = Regexp::quote( '!"#$&\',./:;=?@\\`|' )

351

PUNCT_Q = Regexp::quote( '*-_+^~%' )

351

PUNCT_Q = Regexp::quote( '*-_+^~%' )

352

HYPERLINK = '(\S+?)([^\w\s/;=\?]*?)(?=\s|<|$)'

352

HYPERLINK = '(\S+?)([^\w\s/;=\?]*?)(?=\s|<|$)'

353

354

# Text markup tags, don't conflict with block tags

354

# Text markup tags, don't conflict with block tags

355

SIMPLE_HTML_TAGS = [

355

SIMPLE_HTML_TAGS = [

356

'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code',

356

'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code',

357

'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br',

357

'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br',

358

'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo'

358

'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo'

359

]

359

]

360

361

QTAGS = [

361

QTAGS = [

362

['**', 'b'],

362

['**', 'b', :limit],

363

['*', 'strong'],

363

['*', 'strong', :limit],

364

['??', 'cite', :limit],

364

['??', 'cite', :limit],

365

['-', 'del', :limit],

365

['-', 'del', :limit],

366

['__', 'i'],

366

['__', 'i', :limit],

367

['_', 'em', :limit],

367

['_', 'em', :limit],

368

['%', 'span', :limit],

368

['%', 'span', :limit],

369

['+', 'ins', :limit],

369

['+', 'ins', :limit],

370

['^', 'sup'],

370

['^', 'sup', :limit],

371

['~', 'sub']

371

['~', 'sub', :limit]

372

]

372

]

373

QTAGS.collect! do |rc, ht, rtype|

373

QTAGS.collect! do |rc, ht, rtype|

374

rcq = Regexp::quote rc

374

rcq = Regexp::quote rc

375

re =

375

re =

376

case rtype

376

case rtype

377

when :limit

377

when :limit

378

/(\W)

378

/(\W)

379

(#{rcq})

379

(#{rcq})

380

(#{C})

380

(#{C})

381

(?::(\S+?))?

381

(?::(\S+?))?

382

(\S.*?\S|\S)

382

(\S.*?\S|\S)

383

#{rcq}

383

#{rcq}

384

(?=\W)/x

384

(?=\W)/x

385

else

385

else

386

/(#{rcq})

386

/(#{rcq})

387

(#{C})

387

(#{C})

388

(?::(\S+))?

388

(?::(\S+))?

389

(\S.*?\S|\S)

389

(\S.*?\S|\S)

390

#{rcq}/xm

390

#{rcq}/xm

391

end

391

end

392

[rc, ht, re, rtype]

392

[rc, ht, re, rtype]

393

end

393

end

394

395

# Elements to handle

395

# Elements to handle

396

GLYPHS = [

396

GLYPHS = [

397

# [ /([^\s\[{(>])?\'([dmst]\b|ll\b|ve\b|\s|:|$)/, '\1’\2' ], # single closing

397

# [ /([^\s\[{(>])?\'([dmst]\b|ll\b|ve\b|\s|:|$)/, '\1’\2' ], # single closing

398

[ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)\'/, '\1’' ], # single closing

398

[ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)\'/, '\1’' ], # single closing

399

[ /\'(?=[#{PUNCT_Q}]*(s\b|[\s#{PUNCT_NOQ}]))/, '’' ], # single closing

399

[ /\'(?=[#{PUNCT_Q}]*(s\b|[\s#{PUNCT_NOQ}]))/, '’' ], # single closing

400

[ /\'/, '‘' ], # single opening

400

[ /\'/, '‘' ], # single opening

401

[ /</, '<' ], # less-than

401

[ /</, '<' ], # less-than

402

[ />/, '>' ], # greater-than

402

[ />/, '>' ], # greater-than

403

# [ /([^\s\[{(])?"(\s|:|$)/, '\1”\2' ], # double closing

403

# [ /([^\s\[{(])?"(\s|:|$)/, '\1”\2' ], # double closing

404

[ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)"/, '\1”' ], # double closing

404

[ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)"/, '\1”' ], # double closing

405

[ /"(?=[#{PUNCT_Q}]*[\s#{PUNCT_NOQ}])/, '”' ], # double closing

405

[ /"(?=[#{PUNCT_Q}]*[\s#{PUNCT_NOQ}])/, '”' ], # double closing

406

[ /"/, '“' ], # double opening

406

[ /"/, '“' ], # double opening

407

[ /\b( )?\.{3}/, '\1…' ], # ellipsis

407

[ /\b( )?\.{3}/, '\1…' ], # ellipsis

408

[ /\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/, '<acronym title="\2">\1</acronym>' ], # 3+ uppercase acronym

408

[ /\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/, '<acronym title="\2">\1</acronym>' ], # 3+ uppercase acronym

409

[ /(^|[^"][>\s])([A-Z][A-Z0-9 ]+[A-Z0-9])([^<A-Za-z0-9]|$)/, '\1<span class="caps">\2</span>\3', :no_span_caps ], # 3+ uppercase caps

409

[ /(^|[^"][>\s])([A-Z][A-Z0-9 ]+[A-Z0-9])([^<A-Za-z0-9]|$)/, '\1<span class="caps">\2</span>\3', :no_span_caps ], # 3+ uppercase caps

410

[ /(\.\s)?\s?--\s?/, '\1—' ], # em dash

410

[ /(\.\s)?\s?--\s?/, '\1—' ], # em dash

411

[ /\s->\s/, ' → ' ], # right arrow

411

[ /\s->\s/, ' → ' ], # right arrow

412

[ /\s-\s/, ' – ' ], # en dash

412

[ /\s-\s/, ' – ' ], # en dash

413

[ /(\d+) ?x ?(\d+)/, '\1×\2' ], # dimension sign

413

[ /(\d+) ?x ?(\d+)/, '\1×\2' ], # dimension sign

414

[ /\b ?[(\[]TM[\])]/i, '™' ], # trademark

414

[ /\b ?[(\[]TM[\])]/i, '™' ], # trademark

415

[ /\b ?[(\[]R[\])]/i, '®' ], # registered

415

[ /\b ?[(\[]R[\])]/i, '®' ], # registered

416

[ /\b ?[(\[]C[\])]/i, '©' ] # copyright

416

[ /\b ?[(\[]C[\])]/i, '©' ] # copyright

417

]

417

]

418

419

H_ALGN_VALS = {

419

H_ALGN_VALS = {

420

'<' => 'left',

420

'<' => 'left',

421

'=' => 'center',

421

'=' => 'center',

422

'>' => 'right',

422

'>' => 'right',

423

'<>' => 'justify'

423

'<>' => 'justify'

424

}

424

}

425

426

V_ALGN_VALS = {

426

V_ALGN_VALS = {

427

'^' => 'top',

427

'^' => 'top',

428

'-' => 'middle',

428

'-' => 'middle',

429

'~' => 'bottom'

429

'~' => 'bottom'

430

}

430

}

431

432

#

432

#

433

# Flexible HTML escaping

433

# Flexible HTML escaping

434

#

434

#

435

def htmlesc( str, mode )

435

def htmlesc( str, mode )

436

str.gsub!( '&', '&' )

436

str.gsub!( '&', '&' )

437

str.gsub!( '"', '"' ) if mode != :NoQuotes

437

str.gsub!( '"', '"' ) if mode != :NoQuotes

438

str.gsub!( "'", ''' ) if mode == :Quotes

438

str.gsub!( "'", ''' ) if mode == :Quotes

439

str.gsub!( '<', '<')

439

str.gsub!( '<', '<')

440

str.gsub!( '>', '>')

440

str.gsub!( '>', '>')

441

end

441

end

442

443

# Search and replace for Textile glyphs (quotes, dashes, other symbols)

443

# Search and replace for Textile glyphs (quotes, dashes, other symbols)

444

def pgl( text )

444

def pgl( text )

445

GLYPHS.each do |re, resub, tog|

445

GLYPHS.each do |re, resub, tog|

446

next if tog and method( tog ).call

446

next if tog and method( tog ).call

447

text.gsub! re, resub

447

text.gsub! re, resub

448

end

448

end

449

end

449

end

450

451

# Parses Textile attribute lists and builds an HTML attribute string

451

# Parses Textile attribute lists and builds an HTML attribute string

452

def pba( text_in, element = "" )

452

def pba( text_in, element = "" )

453

454

return '' unless text_in

454

return '' unless text_in

455

456

style = []

456

style = []

457

text = text_in.dup

457

text = text_in.dup

458

if element == 'td'

458

if element == 'td'

459

colspan = $1 if text =~ /\\(\d+)/

459

colspan = $1 if text =~ /\\(\d+)/

460

rowspan = $1 if text =~ /\/(\d+)/

460

rowspan = $1 if text =~ /\/(\d+)/

461

style << "vertical-align:#{ v_align( $& ) };" if text =~ A_VLGN

461

style << "vertical-align:#{ v_align( $& ) };" if text =~ A_VLGN

462

end

462

end

463

464

style << "#{ $1 };" if not filter_styles and

464

style << "#{ $1 };" if not filter_styles and

465

text.sub!( /\{([^}]*)\}/, '' )

465

text.sub!( /\{([^}]*)\}/, '' )

466

467

lang = $1 if

467

lang = $1 if

468

text.sub!( /\[([^)]+?)\]/, '' )

468

text.sub!( /\[([^)]+?)\]/, '' )

469

470

cls = $1 if

470

cls = $1 if

471

text.sub!( /$([^()]+?)$/, '' )

471

text.sub!( /$([^()]+?)$/, '' )

472

473

style << "padding-left:#{ $1.length }em;" if

473

style << "padding-left:#{ $1.length }em;" if

474

text.sub!( /([(]+)/, '' )

474

text.sub!( /([(]+)/, '' )

475

476

style << "padding-right:#{ $1.length }em;" if text.sub!( /([)]+)/, '' )

476

style << "padding-right:#{ $1.length }em;" if text.sub!( /([)]+)/, '' )

477

478

style << "text-align:#{ h_align( $& ) };" if text =~ A_HLGN

478

style << "text-align:#{ h_align( $& ) };" if text =~ A_HLGN

479

480

cls, id = $1, $2 if cls =~ /^(.*?)#(.*)$/

480

cls, id = $1, $2 if cls =~ /^(.*?)#(.*)$/

481

482

atts = ''

482

atts = ''

483

atts << " style=\"#{ style.join }\"" unless style.empty?

483

atts << " style=\"#{ style.join }\"" unless style.empty?

484

atts << " class=\"#{ cls }\"" unless cls.to_s.empty?

484

atts << " class=\"#{ cls }\"" unless cls.to_s.empty?

485

atts << " lang=\"#{ lang }\"" if lang

485

atts << " lang=\"#{ lang }\"" if lang

486

atts << " id=\"#{ id }\"" if id

486

atts << " id=\"#{ id }\"" if id

487

atts << " colspan=\"#{ colspan }\"" if colspan

487

atts << " colspan=\"#{ colspan }\"" if colspan

488

atts << " rowspan=\"#{ rowspan }\"" if rowspan

488

atts << " rowspan=\"#{ rowspan }\"" if rowspan

489

490

atts

490

atts

491

end

491

end

492

493

TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m

493

TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m

494

495

# Parses a Textile table block, building HTML from the result.

495

# Parses a Textile table block, building HTML from the result.

496

def block_textile_table( text )

496

def block_textile_table( text )

497

text.gsub!( TABLE_RE ) do |matches|

497

text.gsub!( TABLE_RE ) do |matches|

498

499

tatts, fullrow = $~[1..2]

499

tatts, fullrow = $~[1..2]

500

tatts = pba( tatts, 'table' )

500

tatts = pba( tatts, 'table' )

501

tatts = shelve( tatts ) if tatts

501

tatts = shelve( tatts ) if tatts

502

rows = []

502

rows = []

503

504

fullrow.

504

fullrow.

505

split( /\|$/m ).

505

split( /\|$/m ).

506

delete_if { |x| x.empty? }.

506

delete_if { |x| x.empty? }.

507

each do |row|

507

each do |row|

508

509

ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m

509

ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m

510

511

cells = []

511

cells = []

512

row.split( '|' ).each do |cell|

512

row.split( '|' ).each do |cell|

513

ctyp = 'd'

513

ctyp = 'd'

514

ctyp = 'h' if cell =~ /^_/

514

ctyp = 'h' if cell =~ /^_/

515

516

catts = ''

516

catts = ''

517

catts, cell = pba( $1, 'td' ), $2 if cell =~ /^(_?#{S}#{A}#{C}\. ?)(.*)/

517

catts, cell = pba( $1, 'td' ), $2 if cell =~ /^(_?#{S}#{A}#{C}\. ?)(.*)/

518

519

unless cell.strip.empty?

519

unless cell.strip.empty?

520

catts = shelve( catts ) if catts

520

catts = shelve( catts ) if catts

521

cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>"

521

cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>"

522

end

522

end

523

end

523

end

524

ratts = shelve( ratts ) if ratts

524

ratts = shelve( ratts ) if ratts

525

rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>"

525

rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>"

526

end

526

end

527

"\t<table#{ tatts }>\n#{ rows.join( "\n" ) }\n\t</table>\n\n"

527

"\t<table#{ tatts }>\n#{ rows.join( "\n" ) }\n\t</table>\n\n"

528

end

528

end

529

end

529

end

530

531

LISTS_RE = /^([#*]+?#{C} .*?)$(?![^#*])/m

531

LISTS_RE = /^([#*]+?#{C} .*?)$(?![^#*])/m

532

LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m

532

LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m

533

534

# Parses Textile lists and generates HTML

534

# Parses Textile lists and generates HTML

535

def block_textile_lists( text )

535

def block_textile_lists( text )

536

text.gsub!( LISTS_RE ) do |match|

536

text.gsub!( LISTS_RE ) do |match|

537

lines = match.split( /\n/ )

537

lines = match.split( /\n/ )

538

last_line = -1

538

last_line = -1

539

depth = []

539

depth = []

540

lines.each_with_index do |line, line_id|

540

lines.each_with_index do |line, line_id|

541

if line =~ LISTS_CONTENT_RE

541

if line =~ LISTS_CONTENT_RE

542

tl,atts,content = $~[1..3]

542

tl,atts,content = $~[1..3]

543

if depth.last

543

if depth.last

544

if depth.last.length > tl.length

544

if depth.last.length > tl.length

545

(depth.length - 1).downto(0) do |i|

545

(depth.length - 1).downto(0) do |i|

546

break if depth[i].length == tl.length

546

break if depth[i].length == tl.length

547

lines[line_id - 1] << "</li>\n\t</#{ lT( depth[i] ) }l>\n\t"

547

lines[line_id - 1] << "</li>\n\t</#{ lT( depth[i] ) }l>\n\t"

548

depth.pop

548

depth.pop

549

end

549

end

550

end

550

end

551

if depth.last and depth.last.length == tl.length

551

if depth.last and depth.last.length == tl.length

552

lines[line_id - 1] << '</li>'

552

lines[line_id - 1] << '</li>'

553

end

553

end

554

end

554

end

555

unless depth.last == tl

555

unless depth.last == tl

556

depth << tl

556

depth << tl

557

atts = pba( atts )

557

atts = pba( atts )

558

atts = shelve( atts ) if atts

558

atts = shelve( atts ) if atts

559

lines[line_id] = "\t<#{ lT(tl) }l#{ atts }>\n\t<li>#{ content }"

559

lines[line_id] = "\t<#{ lT(tl) }l#{ atts }>\n\t<li>#{ content }"

560

else

560

else

561

lines[line_id] = "\t\t<li>#{ content }"

561

lines[line_id] = "\t\t<li>#{ content }"

562

end

562

end

563

last_line = line_id

563

last_line = line_id

564

565

else

565

else

566

last_line = line_id

566

last_line = line_id

567

end

567

end

568

if line_id - last_line > 1 or line_id == lines.length - 1

568

if line_id - last_line > 1 or line_id == lines.length - 1

569

depth.delete_if do |v|

569

depth.delete_if do |v|

570

lines[last_line] << "</li>\n\t</#{ lT( v ) }l>"

570

lines[last_line] << "</li>\n\t</#{ lT( v ) }l>"

571

end

571

end

572

end

572

end

573

end

573

end

574

lines.join( "\n" )

574

lines.join( "\n" )

575

end

575

end

576

end

576

end

577

578

CODE_RE = /(\W)

578

CODE_RE = /(\W)

579

@

579

@

580

(?:\|(\w+?)\|)?

580

(?:\|(\w+?)\|)?

581

(.+?)

581

(.+?)

582

@

582

@

583

(?=\W)/x

583

(?=\W)/x

584

585

def inline_textile_code( text )

585

def inline_textile_code( text )

586

text.gsub!( CODE_RE ) do |m|

586

text.gsub!( CODE_RE ) do |m|

587

before,lang,code,after = $~[1..4]

587

before,lang,code,after = $~[1..4]

588

lang = " lang=\"#{ lang }\"" if lang

588

lang = " lang=\"#{ lang }\"" if lang

589

rip_offtags( "#{ before }<code#{ lang }>#{ code }</code>#{ after }" )

589

rip_offtags( "#{ before }<code#{ lang }>#{ code }</code>#{ after }" )

590

end

590

end

591

end

591

end

592

593

def lT( text )

593

def lT( text )

594

text =~ /\#$/ ? 'o' : 'u'

594

text =~ /\#$/ ? 'o' : 'u'

595

end

595

end

596

597

def hard_break( text )

597

def hard_break( text )

598

text.gsub!( /(.)\n(?!\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks

598

text.gsub!( /(.)\n(?!\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks

599

end

599

end

600

601

BLOCKS_GROUP_RE = /\n{2,}(?! )/m

601

BLOCKS_GROUP_RE = /\n{2,}(?! )/m

602

603

def blocks( text, deep_code = false )

603

def blocks( text, deep_code = false )

604

text.replace( text.split( BLOCKS_GROUP_RE ).collect do |blk|

604

text.replace( text.split( BLOCKS_GROUP_RE ).collect do |blk|

605

plain = blk !~ /\A[#*> ]/

605

plain = blk !~ /\A[#*> ]/

606

607

# skip blocks that are complex HTML

607

# skip blocks that are complex HTML

608

if blk =~ /^<\/?(\w+).*>/ and not SIMPLE_HTML_TAGS.include? $1

608

if blk =~ /^<\/?(\w+).*>/ and not SIMPLE_HTML_TAGS.include? $1

609

blk

609

blk

610

else

610

else

611

# search for indentation levels

611

# search for indentation levels

612

blk.strip!

612

blk.strip!

613

if blk.empty?

613

if blk.empty?

614

blk

614

blk

615

else

615

else

616

code_blk = nil

616

code_blk = nil

617

blk.gsub!( /((?:\n(?:\n^ +[^\n]*)+)+)/m ) do |iblk|

617

blk.gsub!( /((?:\n(?:\n^ +[^\n]*)+)+)/m ) do |iblk|

618

flush_left iblk

618

flush_left iblk

619

blocks iblk, plain

619

blocks iblk, plain

620

iblk.gsub( /^(\S)/, "\t\\1" )

620

iblk.gsub( /^(\S)/, "\t\\1" )

621

if plain

621

if plain

622

code_blk = iblk; ""

622

code_blk = iblk; ""

623

else

623

else

624

iblk

624

iblk

625

end

625

end

626

end

626

end

627

628

block_applied = 0

628

block_applied = 0

629

@rules.each do |rule_name|

629

@rules.each do |rule_name|

630

block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) )

630

block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) )

631

end

631

end

632

if block_applied.zero?

632

if block_applied.zero?

633

if deep_code

633

if deep_code

634

blk = "\t<pre><code>#{ blk }</code></pre>"

634

blk = "\t<pre><code>#{ blk }</code></pre>"

635

else

635

else

636

blk = "\t<p>#{ blk }</p>"

636

blk = "\t<p>#{ blk }</p>"

637

end

637

end

638

end

638

end

639

# hard_break blk

639

# hard_break blk

640

blk + "\n#{ code_blk }"

640

blk + "\n#{ code_blk }"

641

end

641

end

642

end

642

end

643

644

end.join( "\n\n" ) )

644

end.join( "\n\n" ) )

645

end

645

end

646

647

def textile_bq( tag, atts, cite, content )

647

def textile_bq( tag, atts, cite, content )

648

cite, cite_title = check_refs( cite )

648

cite, cite_title = check_refs( cite )

649

cite = " cite=\"#{ cite }\"" if cite

649

cite = " cite=\"#{ cite }\"" if cite

650

atts = shelve( atts ) if atts

650

atts = shelve( atts ) if atts

651

"\t<blockquote#{ cite }>\n\t\t<p#{ atts }>#{ content }</p>\n\t</blockquote>"

651

"\t<blockquote#{ cite }>\n\t\t<p#{ atts }>#{ content }</p>\n\t</blockquote>"

652

end

652

end

653

654

def textile_p( tag, atts, cite, content )

654

def textile_p( tag, atts, cite, content )

655

atts = shelve( atts ) if atts

655

atts = shelve( atts ) if atts

656

"\t<#{ tag }#{ atts }>#{ content }</#{ tag }>"

656

"\t<#{ tag }#{ atts }>#{ content }</#{ tag }>"

657

end

657

end

658

659

alias textile_h1 textile_p

659

alias textile_h1 textile_p

660

alias textile_h2 textile_p

660

alias textile_h2 textile_p

661

alias textile_h3 textile_p

661

alias textile_h3 textile_p

662

alias textile_h4 textile_p

662

alias textile_h4 textile_p

663

alias textile_h5 textile_p

663

alias textile_h5 textile_p

664

alias textile_h6 textile_p

664

alias textile_h6 textile_p

665

666

def textile_fn_( tag, num, atts, cite, content )

666

def textile_fn_( tag, num, atts, cite, content )

667

atts << " id=\"fn#{ num }\""

667

atts << " id=\"fn#{ num }\""

668

content = "<sup>#{ num }</sup> #{ content }"

668

content = "<sup>#{ num }</sup> #{ content }"

669

atts = shelve( atts ) if atts

669

atts = shelve( atts ) if atts

670

"\t<p#{ atts }>#{ content }</p>"

670

"\t<p#{ atts }>#{ content }</p>"

671

end

671

end

672

673

BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m

673

BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m

674

675

def block_textile_prefix( text )

675

def block_textile_prefix( text )

676

if text =~ BLOCK_RE

676

if text =~ BLOCK_RE

677

tag,tagpre,num,atts,cite,content = $~[1..6]

677

tag,tagpre,num,atts,cite,content = $~[1..6]

678

atts = pba( atts )

678

atts = pba( atts )

679

680

# pass to prefix handler

680

# pass to prefix handler

681

if respond_to? "textile_#{ tag }", true

681

if respond_to? "textile_#{ tag }", true

682

text.gsub!( $&, method( "textile_#{ tag }" ).call( tag, atts, cite, content ) )

682

text.gsub!( $&, method( "textile_#{ tag }" ).call( tag, atts, cite, content ) )

683

elsif respond_to? "textile_#{ tagpre }_", true

683

elsif respond_to? "textile_#{ tagpre }_", true

684

text.gsub!( $&, method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content ) )

684

text.gsub!( $&, method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content ) )

685

end

685

end

686

end

686

end

687

end

687

end

688

689

SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m

689

SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m

690

def block_markdown_setext( text )

690

def block_markdown_setext( text )

691

if text =~ SETEXT_RE

691

if text =~ SETEXT_RE

692

tag = if $2 == "="; "h1"; else; "h2"; end

692

tag = if $2 == "="; "h1"; else; "h2"; end

693

blk, cont = "<#{ tag }>#{ $1 }</#{ tag }>", $'

693

blk, cont = "<#{ tag }>#{ $1 }</#{ tag }>", $'

694

blocks cont

694

blocks cont

695

text.replace( blk + cont )

695

text.replace( blk + cont )

696

end

696

end

697

end

697

end

698

699

ATX_RE = /\A(\#{1,6}) # $1 = string of #'s

699

ATX_RE = /\A(\#{1,6}) # $1 = string of #'s

700

[ ]*

700

[ ]*

701

(.+?) # $2 = Header text

701

(.+?) # $2 = Header text

702

[ ]*

702

[ ]*

703

\#* # optional closing #'s (not counted)

703

\#* # optional closing #'s (not counted)

704

$/x

704

$/x

705

def block_markdown_atx( text )

705

def block_markdown_atx( text )

706

if text =~ ATX_RE

706

if text =~ ATX_RE

707

tag = "h#{ $1.length }"

707

tag = "h#{ $1.length }"

708

blk, cont = "<#{ tag }>#{ $2 }</#{ tag }>\n\n", $'

708

blk, cont = "<#{ tag }>#{ $2 }</#{ tag }>\n\n", $'

709

blocks cont

709

blocks cont

710

text.replace( blk + cont )

710

text.replace( blk + cont )

711

end

711

end

712

end

712

end

713

714

MARKDOWN_BQ_RE = /\A(^ *> ?.+$(.+\n)*\n*)+/m

714

MARKDOWN_BQ_RE = /\A(^ *> ?.+$(.+\n)*\n*)+/m

715

716

def block_markdown_bq( text )

716

def block_markdown_bq( text )

717

text.gsub!( MARKDOWN_BQ_RE ) do |blk|

717

text.gsub!( MARKDOWN_BQ_RE ) do |blk|

718

blk.gsub!( /^ *> ?/, '' )

718

blk.gsub!( /^ *> ?/, '' )

719

flush_left blk

719

flush_left blk

720

blocks blk

720

blocks blk

721

blk.gsub!( /^(\S)/, "\t\\1" )

721

blk.gsub!( /^(\S)/, "\t\\1" )

722

"<blockquote>\n#{ blk }\n</blockquote>\n\n"

722

"<blockquote>\n#{ blk }\n</blockquote>\n\n"

723

end

723

end

724

end

724

end

725

726

MARKDOWN_RULE_RE = /^(#{

726

MARKDOWN_RULE_RE = /^(#{

727

['*', '-', '_'].collect { |ch| '( ?' + Regexp::quote( ch ) + ' ?){3,}' }.join( '|' )

727

['*', '-', '_'].collect { |ch| '( ?' + Regexp::quote( ch ) + ' ?){3,}' }.join( '|' )

728

})$/

728

})$/

729

730

def block_markdown_rule( text )

730

def block_markdown_rule( text )

731

text.gsub!( MARKDOWN_RULE_RE ) do |blk|

731

text.gsub!( MARKDOWN_RULE_RE ) do |blk|

732

"<hr />"

732

"<hr />"

733

end

733

end

734

end

734

end

735

736

# XXX TODO XXX

736

# XXX TODO XXX

737

def block_markdown_lists( text )

737

def block_markdown_lists( text )

738

end

738

end

739

740

def inline_textile_span( text )

740

def inline_textile_span( text )

741

QTAGS.each do |qtag_rc, ht, qtag_re, rtype|

741

QTAGS.each do |qtag_rc, ht, qtag_re, rtype|

742

text.gsub!( qtag_re ) do |m|

742

text.gsub!( qtag_re ) do |m|

743

744

case rtype

744

case rtype

745

when :limit

745

when :limit

746

sta,qtag,atts,cite,content = $~[1..5]

746

sta,qtag,atts,cite,content = $~[1..5]

747

else

747

else

748

qtag,atts,cite,content = $~[1..4]

748

qtag,atts,cite,content = $~[1..4]

749

sta = ''

749

sta = ''

750

end

750

end

751

atts = pba( atts )

751

atts = pba( atts )

752

atts << " cite=\"#{ cite }\"" if cite

752

atts << " cite=\"#{ cite }\"" if cite

753

atts = shelve( atts ) if atts

753

atts = shelve( atts ) if atts

754

755

"#{ sta }<#{ ht }#{ atts }>#{ content }</#{ ht }>"

755

"#{ sta }<#{ ht }#{ atts }>#{ content }</#{ ht }>"

756

757

end

757

end

758

end

758

end

759

end

759

end

760

761

LINK_RE = /

761

LINK_RE = /

762

([\s\[{(]|[#{PUNCT}])? # $pre

762

([\s\[{(]|[#{PUNCT}])? # $pre

763

" # start

763

" # start

764

(#{C}) # $atts

764

(#{C}) # $atts

765

([^"]+?) # $text

765

([^"]+?) # $text

766

\s?

766

\s?

767

(?:$([^)]+?)$(?="))? # $title

767

(?:$([^)]+?)$(?="))? # $title

768

":

768

":

769

(\S+?) # $url

769

(\S+?) # $url

770

(\/)? # $slash

770

(\/)? # $slash

771

([^\w\/;]*?) # $post

771

([^\w\/;]*?) # $post

772

(?=<|\s|$)

772

(?=<|\s|$)

773

/x

773

/x

774

775

def inline_textile_link( text )

775

def inline_textile_link( text )

776

text.gsub!( LINK_RE ) do |m|

776

text.gsub!( LINK_RE ) do |m|

777

pre,atts,text,title,url,slash,post = $~[1..7]

777

pre,atts,text,title,url,slash,post = $~[1..7]

778

779

url, url_title = check_refs( url )

779

url, url_title = check_refs( url )

780

title ||= url_title

780

title ||= url_title

781

782

atts = pba( atts )

782

atts = pba( atts )

783

atts = " href=\"#{ url }#{ slash }\"#{ atts }"

783

atts = " href=\"#{ url }#{ slash }\"#{ atts }"

784

atts << " title=\"#{ title }\"" if title

784

atts << " title=\"#{ title }\"" if title

785

atts = shelve( atts ) if atts

785

atts = shelve( atts ) if atts

786

787

external = (url =~ /^http:\/\//) ? ' class="external"' : ''

787

external = (url =~ /^http:\/\//) ? ' class="external"' : ''

788

789

"#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"

789

"#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"

790

end

790

end

791

end

791

end

792

793

MARKDOWN_REFLINK_RE = /

793

MARKDOWN_REFLINK_RE = /

794

\[([^\[\]]+)\] # $text

794

\[([^\[\]]+)\] # $text

795

[ ]? # opt. space

795

[ ]? # opt. space

796

(?:\n[ ]*)? # one optional newline followed by spaces

796

(?:\n[ ]*)? # one optional newline followed by spaces

797

\[(.*?)\] # $id

797

\[(.*?)\] # $id

798

/x

798

/x

799

800

def inline_markdown_reflink( text )

800

def inline_markdown_reflink( text )

801

text.gsub!( MARKDOWN_REFLINK_RE ) do |m|

801

text.gsub!( MARKDOWN_REFLINK_RE ) do |m|

802

text, id = $~[1..2]

802

text, id = $~[1..2]

803

804

if id.empty?

804

if id.empty?

805

url, title = check_refs( text )

805

url, title = check_refs( text )

806

else

806

else

807

url, title = check_refs( id )

807

url, title = check_refs( id )

808

end

808

end

809

810

atts = " href=\"#{ url }\""

810

atts = " href=\"#{ url }\""

811

atts << " title=\"#{ title }\"" if title

811

atts << " title=\"#{ title }\"" if title

812

atts = shelve( atts )

812

atts = shelve( atts )

813

814

"<a#{ atts }>#{ text }</a>"

814

"<a#{ atts }>#{ text }</a>"

815

end

815

end

816

end

816

end

817

818

MARKDOWN_LINK_RE = /

818

MARKDOWN_LINK_RE = /

819

\[([^\[\]]+)\] # $text

819

\[([^\[\]]+)\] # $text

820

\( # open paren

820

\( # open paren

821

[ \t]* # opt space

821

[ \t]* # opt space

822

<?(.+?)>? # $href

822

<?(.+?)>? # $href

823

[ \t]* # opt space

823

[ \t]* # opt space

824

(?: # whole title

824

(?: # whole title

825

(['"]) # $quote

825

(['"]) # $quote

826

(.*?) # $title

826

(.*?) # $title

827

\3 # matching quote

827

\3 # matching quote

828

)? # title is optional

828

)? # title is optional

829

\)

829

\)

830

/x

830

/x

831

832

def inline_markdown_link( text )

832

def inline_markdown_link( text )

833

text.gsub!( MARKDOWN_LINK_RE ) do |m|

833

text.gsub!( MARKDOWN_LINK_RE ) do |m|

834

text, url, quote, title = $~[1..4]

834

text, url, quote, title = $~[1..4]

835

836

atts = " href=\"#{ url }\""

836

atts = " href=\"#{ url }\""

837

atts << " title=\"#{ title }\"" if title

837

atts << " title=\"#{ title }\"" if title

838

atts = shelve( atts )

838

atts = shelve( atts )

839

840

"<a#{ atts }>#{ text }</a>"

840

"<a#{ atts }>#{ text }</a>"

841

end

841

end

842

end

842

end

843

844

TEXTILE_REFS_RE = /(^ *)\[([^\[\n]+?)\](#{HYPERLINK})(?=\s|$)/

844

TEXTILE_REFS_RE = /(^ *)\[([^\[\n]+?)\](#{HYPERLINK})(?=\s|$)/

845

MARKDOWN_REFS_RE = /(^ *)\[([^\n]+?)\]:\s+<?(#{HYPERLINK})>?(?:\s+"((?:[^"]|\\")+)")?(?=\s|$)/m

845

MARKDOWN_REFS_RE = /(^ *)\[([^\n]+?)\]:\s+<?(#{HYPERLINK})>?(?:\s+"((?:[^"]|\\")+)")?(?=\s|$)/m

846

847

def refs( text )

847

def refs( text )

848

@rules.each do |rule_name|

848

@rules.each do |rule_name|

849

method( rule_name ).call( text ) if rule_name.to_s.match /^refs_/

849

method( rule_name ).call( text ) if rule_name.to_s.match /^refs_/

850

end

850

end

851

end

851

end

852

853

def refs_textile( text )

853

def refs_textile( text )

854

text.gsub!( TEXTILE_REFS_RE ) do |m|

854

text.gsub!( TEXTILE_REFS_RE ) do |m|

855

flag, url = $~[2..3]

855

flag, url = $~[2..3]

856

@urlrefs[flag.downcase] = [url, nil]

856

@urlrefs[flag.downcase] = [url, nil]

857

nil

857

nil

858

end

858

end

859

end

859

end

860

861

def refs_markdown( text )

861

def refs_markdown( text )

862

text.gsub!( MARKDOWN_REFS_RE ) do |m|

862

text.gsub!( MARKDOWN_REFS_RE ) do |m|

863

flag, url = $~[2..3]

863

flag, url = $~[2..3]

864

title = $~[6]

864

title = $~[6]

865

@urlrefs[flag.downcase] = [url, title]

865

@urlrefs[flag.downcase] = [url, title]

866

nil

866

nil

867

end

867

end

868

end

868

end

869

870

def check_refs( text )

870

def check_refs( text )

871

ret = @urlrefs[text.downcase] if text

871

ret = @urlrefs[text.downcase] if text

872

ret || [text, nil]

872

ret || [text, nil]

873

end

873

end

874

875

IMAGE_RE = /

875

IMAGE_RE = /

876

(<p>|.|^) # start of line?

876

(<p>|.|^) # start of line?

877

\! # opening

877

\! # opening

878

(\<|\=|\>)? # optional alignment atts

878

(\<|\=|\>)? # optional alignment atts

879

(#{C}) # optional style,class atts

879

(#{C}) # optional style,class atts

880

(?:\. )? # optional dot-space

880

(?:\. )? # optional dot-space

881

([^\s(!]+?) # presume this is the src

881

([^\s(!]+?) # presume this is the src

882

\s? # optional space

882

\s? # optional space

883

(?:$((?:[^\($]|$[^$]+\))+?)\))? # optional title

883

(?:$((?:[^\($]|$[^$]+\))+?)\))? # optional title

884

\! # closing

884

\! # closing

885

(?::#{ HYPERLINK })? # optional href

885

(?::#{ HYPERLINK })? # optional href

886

/x

886

/x

887

888

def inline_textile_image( text )

888

def inline_textile_image( text )

889

text.gsub!( IMAGE_RE ) do |m|

889

text.gsub!( IMAGE_RE ) do |m|

890

stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8]

890

stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8]

891

atts = pba( atts )

891

atts = pba( atts )

892

atts = " src=\"#{ url }\"#{ atts }"

892

atts = " src=\"#{ url }\"#{ atts }"

893

atts << " title=\"#{ title }\"" if title

893

atts << " title=\"#{ title }\"" if title

894

atts << " alt=\"#{ title }\""

894

atts << " alt=\"#{ title }\""

895

# size = @getimagesize($url);

895

# size = @getimagesize($url);

896

# if($size) $atts.= " $size[3]";

896

# if($size) $atts.= " $size[3]";

897

898

href, alt_title = check_refs( href ) if href

898

href, alt_title = check_refs( href ) if href

899

url, url_title = check_refs( url )

899

url, url_title = check_refs( url )

900

901

out = ''

901

out = ''

902

out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href

902

out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href

903

out << "<img#{ shelve( atts ) } />"

903

out << "<img#{ shelve( atts ) } />"

904

out << "</a>#{ href_a1 }#{ href_a2 }" if href

904

out << "</a>#{ href_a1 }#{ href_a2 }" if href

905

906

if algn

906

if algn

907

algn = h_align( algn )

907

algn = h_align( algn )

908

if stln == "<p>"

908

if stln == "<p>"

909

out = "<p style=\"float:#{ algn }\">#{ out }"

909

out = "<p style=\"float:#{ algn }\">#{ out }"

910

else

910

else

911

out = "#{ stln }<div style=\"float:#{ algn }\">#{ out }</div>"

911

out = "#{ stln }<div style=\"float:#{ algn }\">#{ out }</div>"

912

end

912

end

913

else

913

else

914

out = stln + out

914

out = stln + out

915

end

915

end

916

917

out

917

out

918

end

918

end

919

end

919

end

920

921

def shelve( val )

921

def shelve( val )

922

@shelf << val

922

@shelf << val

923

" :redsh##{ @shelf.length }:"

923

" :redsh##{ @shelf.length }:"

924

end

924

end

925

926

def retrieve( text )

926

def retrieve( text )

927

@shelf.each_with_index do |r, i|

927

@shelf.each_with_index do |r, i|

928

text.gsub!( " :redsh##{ i + 1 }:", r )

928

text.gsub!( " :redsh##{ i + 1 }:", r )

929

end

929

end

930

end

930

end

931

932

def incoming_entities( text )

932

def incoming_entities( text )

933

## turn any incoming ampersands into a dummy character for now.

933

## turn any incoming ampersands into a dummy character for now.

934

## This uses a negative lookahead for alphanumerics followed by a semicolon,

934

## This uses a negative lookahead for alphanumerics followed by a semicolon,

935

## implying an incoming html entity, to be skipped

935

## implying an incoming html entity, to be skipped

936

937

text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" )

937

text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" )

938

end

938

end

939

940

def no_textile( text )

940

def no_textile( text )

941

text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/,

941

text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/,

942

'\1<notextile>\2</notextile>\3' )

942

'\1<notextile>\2</notextile>\3' )

943

text.gsub!( /^ *==([^=]+.*?)==/m,

943

text.gsub!( /^ *==([^=]+.*?)==/m,

944

'\1<notextile>\2</notextile>\3' )

944

'\1<notextile>\2</notextile>\3' )

945

end

945

end

946

947

def clean_white_space( text )

947

def clean_white_space( text )

948

# normalize line breaks

948

# normalize line breaks

949

text.gsub!( /\r\n/, "\n" )

949

text.gsub!( /\r\n/, "\n" )

950

text.gsub!( /\r/, "\n" )

950

text.gsub!( /\r/, "\n" )

951

text.gsub!( /\t/, ' ' )

951

text.gsub!( /\t/, ' ' )

952

text.gsub!( /^ +$/, '' )

952

text.gsub!( /^ +$/, '' )

953

text.gsub!( /\n{3,}/, "\n\n" )

953

text.gsub!( /\n{3,}/, "\n\n" )

954

text.gsub!( /"$/, "\" " )

954

text.gsub!( /"$/, "\" " )

955

956

# if entire document is indented, flush

956

# if entire document is indented, flush

957

# to the left side

957

# to the left side

958

flush_left text

958

flush_left text

959

end

959

end

960

961

def flush_left( text )

961

def flush_left( text )

962

indt = 0

962

indt = 0

963

if text =~ /^ /

963

if text =~ /^ /

964

while text !~ /^ {#{indt}}\S/

964

while text !~ /^ {#{indt}}\S/

965

indt += 1

965

indt += 1

966

end unless text.empty?

966

end unless text.empty?

967

if indt.nonzero?

967

if indt.nonzero?

968

text.gsub!( /^ {#{indt}}/, '' )

968

text.gsub!( /^ {#{indt}}/, '' )

969

end

969

end

970

end

970

end

971

end

971

end

972

973

def footnote_ref( text )

973

def footnote_ref( text )

974

text.gsub!( /\b\[([0-9]+?)\](\s)?/,

974

text.gsub!( /\b\[([0-9]+?)\](\s)?/,

975

'<sup><a href="#fn\1">\1</a></sup>\2' )

975

'<sup><a href="#fn\1">\1</a></sup>\2' )

976

end

976

end

977

978

OFFTAGS = /(code|pre|kbd|notextile)/

978

OFFTAGS = /(code|pre|kbd|notextile)/

979

OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }>)|(<#{ OFFTAGS }[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }|\Z)/mi

979

OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }>)|(<#{ OFFTAGS }[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }|\Z)/mi

980

OFFTAG_OPEN = /<#{ OFFTAGS }/

980

OFFTAG_OPEN = /<#{ OFFTAGS }/

981

OFFTAG_CLOSE = /<\/?#{ OFFTAGS }/

981

OFFTAG_CLOSE = /<\/?#{ OFFTAGS }/

982

HASTAG_MATCH = /(<\/?\w[^\n]*?>)/m

982

HASTAG_MATCH = /(<\/?\w[^\n]*?>)/m

983

ALLTAG_MATCH = /(<\/?\w[^\n]*?>)|.*?(?=<\/?\w[^\n]*?>|$)/m

983

ALLTAG_MATCH = /(<\/?\w[^\n]*?>)|.*?(?=<\/?\w[^\n]*?>|$)/m

984

985

def glyphs_textile( text, level = 0 )

985

def glyphs_textile( text, level = 0 )

986

if text !~ HASTAG_MATCH

986

if text !~ HASTAG_MATCH

987

pgl text

987

pgl text

988

footnote_ref text

988

footnote_ref text

989

else

989

else

990

codepre = 0

990

codepre = 0

991

text.gsub!( ALLTAG_MATCH ) do |line|

991

text.gsub!( ALLTAG_MATCH ) do |line|

992

## matches are off if we're between <code>, <pre> etc.

992

## matches are off if we're between <code>, <pre> etc.

993

if $1

993

if $1

994

if line =~ OFFTAG_OPEN

994

if line =~ OFFTAG_OPEN

995

codepre += 1

995

codepre += 1

996

elsif line =~ OFFTAG_CLOSE

996

elsif line =~ OFFTAG_CLOSE

997

codepre -= 1

997

codepre -= 1

998

codepre = 0 if codepre < 0

998

codepre = 0 if codepre < 0

999

end

999

end

1000

elsif codepre.zero?

1000

elsif codepre.zero?

1001

glyphs_textile( line, level + 1 )

1001

glyphs_textile( line, level + 1 )

1002

else

1002

else

1003

htmlesc( line, :NoQuotes )

1003

htmlesc( line, :NoQuotes )

1004

end

1004

end

1005

# p [level, codepre, line]

1005

# p [level, codepre, line]

1006

1007

line

1007

line

1008

end

1008

end

1009

end

1009

end

1010

end

1010

end

1011

1012

def rip_offtags( text )

1012

def rip_offtags( text )

1013

if text =~ /<.*>/

1013

if text =~ /<.*>/

1014

## strip and encode <pre> content

1014

## strip and encode <pre> content

1015

codepre, used_offtags = 0, {}

1015

codepre, used_offtags = 0, {}

1016

text.gsub!( OFFTAG_MATCH ) do |line|

1016

text.gsub!( OFFTAG_MATCH ) do |line|

1017

if $3

1017

if $3

1018

offtag, aftertag = $4, $5

1018

offtag, aftertag = $4, $5

1019

codepre += 1

1019

codepre += 1

1020

used_offtags[offtag] = true

1020

used_offtags[offtag] = true

1021

if codepre - used_offtags.length > 0

1021

if codepre - used_offtags.length > 0

1022

htmlesc( line, :NoQuotes ) unless used_offtags['notextile']

1022

htmlesc( line, :NoQuotes ) unless used_offtags['notextile']

1023

@pre_list.last << line

1023

@pre_list.last << line

1024

line = ""

1024

line = ""

1025

else

1025

else

1026

htmlesc( aftertag, :NoQuotes ) if aftertag and not used_offtags['notextile']

1026

htmlesc( aftertag, :NoQuotes ) if aftertag and not used_offtags['notextile']

1027

line = "<redpre##{ @pre_list.length }>"

1027

line = "<redpre##{ @pre_list.length }>"

1028

@pre_list << "#{ $3 }#{ aftertag }"

1028

@pre_list << "#{ $3 }#{ aftertag }"

1029

end

1029

end

1030

elsif $1 and codepre > 0

1030

elsif $1 and codepre > 0

1031

if codepre - used_offtags.length > 0

1031

if codepre - used_offtags.length > 0

1032

htmlesc( line, :NoQuotes ) unless used_offtags['notextile']

1032

htmlesc( line, :NoQuotes ) unless used_offtags['notextile']

1033

@pre_list.last << line

1033

@pre_list.last << line

1034

line = ""

1034

line = ""

1035

end

1035

end

1036

codepre -= 1 unless codepre.zero?

1036

codepre -= 1 unless codepre.zero?

1037

used_offtags = {} if codepre.zero?

1037

used_offtags = {} if codepre.zero?

1038

end

1038

end

1039

line

1039

line

1040

end

1040

end

1041

end

1041

end

1042

text

1042

text

1043

end

1043

end

1044

1045

def smooth_offtags( text )

1045

def smooth_offtags( text )

1046

unless @pre_list.empty?

1046

unless @pre_list.empty?

1047

## replace <pre> content

1047

## replace <pre> content

1048

text.gsub!( /<redpre#(\d+)>/ ) { @pre_list[$1.to_i] }

1048

text.gsub!( /<redpre#(\d+)>/ ) { @pre_list[$1.to_i] }

1049

end

1049

end

1050

end

1050

end

1051

1052

def inline( text )

1052

def inline( text )

1053

[/^inline_/, /^glyphs_/].each do |meth_re|

1053

[/^inline_/, /^glyphs_/].each do |meth_re|

1054

@rules.each do |rule_name|

1054

@rules.each do |rule_name|

1055

method( rule_name ).call( text ) if rule_name.to_s.match( meth_re )

1055

method( rule_name ).call( text ) if rule_name.to_s.match( meth_re )

1056

end

1056

end

1057

end

1057

end

1058

end

1058

end

1059

1060

def h_align( text )

1060

def h_align( text )

1061

H_ALGN_VALS[text]

1061

H_ALGN_VALS[text]

1062

end

1062

end

1063

1064

def v_align( text )

1064

def v_align( text )

1065

V_ALGN_VALS[text]

1065

V_ALGN_VALS[text]

1066

end

1066

end

1067

1068

def textile_popup_help( name, windowW, windowH )

1068

def textile_popup_help( name, windowW, windowH )

1069

' <a target="_blank" href="http://hobix.com/textile/#' + helpvar + '" onclick="window.open(this.href, \'popupwindow\', \'width=' + windowW + ',height=' + windowH + ',scrollbars,resizable\'); return false;">' + name + '</a><br />'

1069

' <a target="_blank" href="http://hobix.com/textile/#' + helpvar + '" onclick="window.open(this.href, \'popupwindow\', \'width=' + windowW + ',height=' + windowH + ',scrollbars,resizable\'); return false;">' + name + '</a><br />'

1070

end

1070

end

1071

1072

# HTML cleansing stuff

1072

# HTML cleansing stuff

1073

BASIC_TAGS = {

1073

BASIC_TAGS = {

1074

'a' => ['href', 'title'],

1074

'a' => ['href', 'title'],

1075

'img' => ['src', 'alt', 'title'],

1075

'img' => ['src', 'alt', 'title'],

1076

'br' => [],

1076

'br' => [],

1077

'i' => nil,

1077

'i' => nil,

1078

'u' => nil,

1078

'u' => nil,

1079

'b' => nil,

1079

'b' => nil,

1080

'pre' => nil,

1080

'pre' => nil,

1081

'kbd' => nil,

1081

'kbd' => nil,

1082

'code' => ['lang'],

1082

'code' => ['lang'],

1083

'cite' => nil,

1083

'cite' => nil,

1084

'strong' => nil,

1084

'strong' => nil,

1085

'em' => nil,

1085

'em' => nil,

1086

'ins' => nil,

1086

'ins' => nil,

1087

'sup' => nil,

1087

'sup' => nil,

1088

'sub' => nil,

1088

'sub' => nil,

1089

'del' => nil,

1089

'del' => nil,

1090

'table' => nil,

1090

'table' => nil,

1091

'tr' => nil,

1091

'tr' => nil,

1092

'td' => ['colspan', 'rowspan'],

1092

'td' => ['colspan', 'rowspan'],

1093

'th' => nil,

1093

'th' => nil,

1094

'ol' => nil,

1094

'ol' => nil,

1095

'ul' => nil,

1095

'ul' => nil,

1096

'li' => nil,

1096

'li' => nil,

1097

'p' => nil,

1097

'p' => nil,

1098

'h1' => nil,

1098

'h1' => nil,

1099

'h2' => nil,

1099

'h2' => nil,

1100

'h3' => nil,

1100

'h3' => nil,

1101

'h4' => nil,

1101

'h4' => nil,

1102

'h5' => nil,

1102

'h5' => nil,

1103

'h6' => nil,

1103

'h6' => nil,

1104

'blockquote' => ['cite']

1104

'blockquote' => ['cite']

1105

}

1105

}

1106

1107

def clean_html( text, tags = BASIC_TAGS )

1107

def clean_html( text, tags = BASIC_TAGS )

1108

text.gsub!( /<!\[CDATA\[/, '' )

1108

text.gsub!( /<!\[CDATA\[/, '' )

1109

text.gsub!( /<(\/*)(\w+)([^>]*)>/ ) do

1109

text.gsub!( /<(\/*)(\w+)([^>]*)>/ ) do

1110

raw = $~

1110

raw = $~

1111

tag = raw[2].downcase

1111

tag = raw[2].downcase

1112

if tags.has_key? tag

1112

if tags.has_key? tag

1113

pcs = [tag]

1113

pcs = [tag]

1114

tags[tag].each do |prop|

1114

tags[tag].each do |prop|

1115

['"', "'", ''].each do |q|

1115

['"', "'", ''].each do |q|

1116

q2 = ( q != '' ? q : '\s' )

1116

q2 = ( q != '' ? q : '\s' )

1117

if raw[3] =~ /#{prop}\s*=\s*#{q}([^#{q2}]+)#{q}/i

1117

if raw[3] =~ /#{prop}\s*=\s*#{q}([^#{q2}]+)#{q}/i

1118

attrv = $1

1118

attrv = $1

1119

next if prop == 'src' and attrv =~ %r{^(?!http)\w+:}

1119

next if prop == 'src' and attrv =~ %r{^(?!http)\w+:}

1120

pcs << "#{prop}=\"#{$1.gsub('"', '\\"')}\""

1120

pcs << "#{prop}=\"#{$1.gsub('"', '\\"')}\""

1121

break

1121

break

1122

end

1122

end

1123

end

1123

end

1124

end if tags[tag]

1124

end if tags[tag]

1125

"<#{raw[1]}#{pcs.join " "}>"

1125

"<#{raw[1]}#{pcs.join " "}>"

1126

else

1126

else

1127

" "

1127

" "

1128

end

1128

end

1129

end

1129

end

1130

end

1130

end

1131

end

1131

end

1132

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             #                                vim:ts=4:sw=4:
             # = RedCloth - Textile and Markdown Hybrid for Ruby
             #
             # Homepage::  http://whytheluckystiff.net/ruby/redcloth/
             # Author::    why the lucky stiff (http://whytheluckystiff.net/)
             # Copyright:: (cc) 2004 why the lucky stiff (and his puppet organizations.)
             # License::   BSD
             #
             # (see http://hobix.com/textile/ for a Textile Reference.)
             #
             # Based on (and also inspired by) both:
             #
             # PyTextile: http://diveintomark.org/projects/textile/textile.py.txt
             # Textism for PHP: http://www.textism.com/tools/textile/
             #
             #
             # = RedCloth
             #
             # RedCloth is a Ruby library for converting Textile and/or Markdown
             # into HTML.  You can use either format, intermingled or separately.
             # You can also extend RedCloth to honor your own custom text stylings.
             #
             # RedCloth users are encouraged to use Textile if they are generating
             # HTML and to use Markdown if others will be viewing the plain text.
             #
             # == What is Textile?
             #
             # Textile is a simple formatting style for text
             # documents, loosely based on some HTML conventions.
             #
             # == Sample Textile Text
             #
             #  h2. This is a title
             #
             #  h3. This is a subhead
             #
             #  This is a bit of paragraph.
             #
             #  bq. This is a blockquote.
             #
             # = Writing Textile
             #
             # A Textile document consists of paragraphs.  Paragraphs
             # can be specially formatted by adding a small instruction
             # to the beginning of the paragraph.
             #
             #  h[n].   Header of size [n].
             #  bq.     Blockquote.
             #  #       Numeric list.
             #  *       Bulleted list.
             #
             # == Quick Phrase Modifiers
             #
             # Quick phrase modifiers are also included, to allow formatting
             # of small portions of text within a paragraph.
             #
             #  \_emphasis\_
             #  \_\_italicized\_\_
             #  \*strong\*
             #  \*\*bold\*\*
             #  ??citation??
             #  -deleted text-
             #  +inserted text+
             #  ^superscript^
             #  ~subscript~
             #  @code@
             #  %(classname)span%
             #
             #  ==notextile== (leave text alone)
             #
             # == Links
             #
             # To make a hypertext link, put the link text in "quotation
             # marks" followed immediately by a colon and the URL of the link.
             #
             # Optional: text in (parentheses) following the link text,
             # but before the closing quotation mark, will become a Title
             # attribute for the link, visible as a tool tip when a cursor is above it.
             #
             # Example:
             #
             #  "This is a link (This is a title) ":http://www.textism.com
             #
             # Will become:
             #
             #  <a href="http://www.textism.com" title="This is a title">This is a link</a>
             #
             # == Images
             #
             # To insert an image, put the URL for the image inside exclamation marks.
             #
             # Optional: text that immediately follows the URL in (parentheses) will
             # be used as the Alt text for the image. Images on the web should always
             # have descriptive Alt text for the benefit of readers using non-graphical
             # browsers.
             #
             # Optional: place a colon followed by a URL immediately after the
             # closing ! to make the image into a link.
             #
             # Example:
             #
             #  !http://www.textism.com/common/textist.gif(Textist)!
             #
             # Will become:
             #
             #  <img src="http://www.textism.com/common/textist.gif" alt="Textist" />
             #
             # With a link:
             #
             #  !/common/textist.gif(Textist)!:http://textism.com
             #
             # Will become:
             #
             #  <a href="http://textism.com"><img src="/common/textist.gif" alt="Textist" /></a>
             #
             # == Defining Acronyms
             #
             # HTML allows authors to define acronyms via the tag. The definition appears as a
             # tool tip when a cursor hovers over the acronym. A crucial aid to clear writing,
             # this should be used at least once for each acronym in documents where they appear.
             #
             # To quickly define an acronym in Textile, place the full text in (parentheses)
             # immediately following the acronym.
             #
             # Example:
             #
             #  ACLU(American Civil Liberties Union)
             #
             # Will become:
             #
             #  <acronym title="American Civil Liberties Union">ACLU</acronym>
             #
             # == Adding Tables
             #
             # In Textile, simple tables can be added by seperating each column by
             # a pipe.
             #
             #     |a|simple|table|row|
             #     |And|Another|table|row|
             #
             # Attributes are defined by style definitions in parentheses.
             #
             #     table(border:1px solid black).
             #     (background:#ddd;color:red). |{}| | | |
             #
             # == Using RedCloth
             #
             # RedCloth is simply an extension of the String class, which can handle
             # Textile formatting.  Use it like a String and output HTML with its
             # RedCloth#to_html method.
             #
             #  doc = RedCloth.new "
             #
             #  h2. Test document
             #
             #  Just a simple test."
             #
             #  puts doc.to_html
             #
             # By default, RedCloth uses both Textile and Markdown formatting, with
             # Textile formatting taking precedence.  If you want to turn off Markdown
             # formatting, to boost speed and limit the processor:
             #
             #  class RedCloth::Textile.new( str )
             class RedCloth < String
                 VERSION = '3.0.4'
                 DEFAULT_RULES = [:textile, :markdown]
                 #
                 # Two accessor for setting security restrictions.
                 #
                 # This is a nice thing if you're using RedCloth for
                 # formatting in public places (e.g. Wikis) where you
                 # don't want users to abuse HTML for bad things.
                 #
                 # If +:filter_html+ is set, HTML which wasn't
                 # created by the Textile processor will be escaped.
                 #
                 # If +:filter_styles+ is set, it will also disable
                 # the style markup specifier. ('{color: red}')
                 #
                 attr_accessor :filter_html, :filter_styles
                 #
                 # Accessor for toggling hard breaks.
                 #
                 # If +:hard_breaks+ is set, single newlines will
                 # be converted to HTML break tags.  This is the
                 # default behavior for traditional RedCloth.
                 #
                 attr_accessor :hard_breaks
                 # Accessor for toggling lite mode.
                 #
                 # In lite mode, block-level rules are ignored.  This means
                 # that tables, paragraphs, lists, and such aren't available.
                 # Only the inline markup for bold, italics, entities and so on.
                 #
                 #   r = RedCloth.new( "And then? She *fell*!", [:lite_mode] )
                 #   r.to_html
                 #   #=> "And then? She <strong>fell</strong>!"
                 #
                 attr_accessor :lite_mode
                 #
                 # Accessor for toggling span caps.
                 #
                 # Textile places `span' tags around capitalized
                 # words by default, but this wreaks havoc on Wikis.
                 # If +:no_span_caps+ is set, this will be
                 # suppressed.
                 #
                 attr_accessor :no_span_caps
                 #
                 # Establishes the markup predence.  Available rules include:
                 #
                 # == Textile Rules
                 #
                 # The following textile rules can be set individually.  Or add the complete
                 # set of rules with the single :textile rule, which supplies the rule set in
                 # the following precedence:
                 #
                 # refs_textile::          Textile references (i.e. [hobix]http://hobix.com/)
                 # block_textile_table::   Textile table block structures
                 # block_textile_lists::   Textile list structures
                 # block_textile_prefix::  Textile blocks with prefixes (i.e. bq., h2., etc.)
                 # inline_textile_image::  Textile inline images
                 # inline_textile_link::   Textile inline links
                 # inline_textile_span::   Textile inline spans
                 # glyphs_textile:: Textile entities (such as em-dashes and smart quotes)
                 #
                 # == Markdown
                 #
                 # refs_markdown::         Markdown references (for example: [hobix]: http://hobix.com/)
                 # block_markdown_setext:: Markdown setext headers
                 # block_markdown_atx::    Markdown atx headers
                 # block_markdown_rule::   Markdown horizontal rules
                 # block_markdown_bq::     Markdown blockquotes
                 # block_markdown_lists::  Markdown lists
                 # inline_markdown_link::  Markdown links
                 attr_accessor :rules
                 # Returns a new RedCloth object, based on _string_ and
                 # enforcing all the included _restrictions_.
                 #
                 #   r = RedCloth.new( "h1. A <b>bold</b> man", [:filter_html] )
                 #   r.to_html
                 #     #=>"<h1>A &lt;b&gt;bold&lt;/b&gt; man</h1>"
                 #
                 def initialize( string, restrictions = [] )
                     restrictions.each { |r| method( "#{ r }=" ).call( true ) }
                     super( string )
                 end
                 #
                 # Generates HTML from the Textile contents.
                 #
                 #   r = RedCloth.new( "And then? She *fell*!" )
                 #   r.to_html( true )
                 #     #=>"And then? She <strong>fell</strong>!"
                 #
                 def to_html( *rules )
                     rules = DEFAULT_RULES if rules.empty?
                     # make our working copy
                     text = self.dup
                     @urlrefs = {}
                     @shelf = []
                     textile_rules = [:refs_textile, :block_textile_table, :block_textile_lists,
                                      :block_textile_prefix, :inline_textile_image, :inline_textile_link,
                                      :inline_textile_code, :inline_textile_span, :glyphs_textile]
                     markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,
                                       :block_markdown_bq, :block_markdown_lists,
                                       :inline_markdown_reflink, :inline_markdown_link]
                     @rules = rules.collect do |rule|
                         case rule
                         when :markdown
                             markdown_rules
                         when :textile
                             textile_rules
                         else
                             rule
                         end
                     end.flatten
                     # standard clean up
                     incoming_entities text
                     clean_white_space text
                     # start processor
                     @pre_list = []
                     rip_offtags text
                     no_textile text
                     hard_break text
                     unless @lite_mode
                         refs text
                         blocks text
                     end
                     inline text
                     smooth_offtags text
                     retrieve text
                     text.gsub!( /<\/?notextile>/, '' )
                     text.gsub!( /x%x%/, '&#38;' )
                     clean_html text if filter_html
                     text.strip!
                     text
                 end
                 #######
                 private
                 #######
                 #
                 # Mapping of 8-bit ASCII codes to HTML numerical entity equivalents.
                 # (from PyTextile)
                 #
                 TEXTILE_TAGS =
                     [[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230],
                      [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249],
                      [140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217],
                      [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732],
                      [153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]].
                     collect! do |a, b|
                         [a.chr, ( b.zero? and "" or "&#{ b };" )]
                     end
                 #
                 # Regular expressions to convert to HTML.
                 #
                 A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/
                 A_VLGN = /[\-^~]/
                 C_CLAS = '(?:\([^)]+\))'
                 C_LNGE = '(?:\[[^\]]+\])'
                 C_STYL = '(?:\{[^}]+\})'
                 S_CSPN = '(?:\\\\\d+)'
                 S_RSPN = '(?:/\d+)'
                 A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)"
                 S = "(?:#{S_CSPN}?#{S_RSPN}|#{S_RSPN}?#{S_CSPN}?)"
                 C = "(?:#{C_CLAS}?#{C_STYL}?#{C_LNGE}?|#{C_STYL}?#{C_LNGE}?#{C_CLAS}?|#{C_LNGE}?#{C_STYL}?#{C_CLAS}?)"
                 # PUNCT = Regexp::quote( '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' )
                 PUNCT = Regexp::quote( '!"#$%&\'*+,-./:;=?@\\^_`|~' )
                 PUNCT_NOQ = Regexp::quote( '!"#$&\',./:;=?@\\`|' )
                 PUNCT_Q = Regexp::quote( '*-_+^~%' )
                 HYPERLINK = '(\S+?)([^\w\s/;=\?]*?)(?=\s|<|$)'
                 # Text markup tags, don't conflict with block tags
                 SIMPLE_HTML_TAGS = [
                     'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code',
                     'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br',
                     'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo'
                 ]
                 QTAGS = [
-                    ['**', 'b'],
+                    ['**', 'b', :limit],
-                    ['*', 'strong'],
+                    ['*', 'strong', :limit],
                     ['??', 'cite', :limit],
                     ['-', 'del', :limit],
-                    ['__', 'i'],
+                    ['__', 'i', :limit],
                     ['_', 'em', :limit],
                     ['%', 'span', :limit],
                     ['+', 'ins', :limit],
-                    ['^', 'sup'],
+                    ['^', 'sup', :limit],
-                    ['~', 'sub']
+                    ['~', 'sub', :limit]
                 ]
                 QTAGS.collect! do |rc, ht, rtype|
                     rcq = Regexp::quote rc
                     re =
                         case rtype
                         when :limit
                             /(\W)
                             (#{rcq})
                             (#{C})
                             (?::(\S+?))?
                             (\S.*?\S|\S)
                             #{rcq}
                             (?=\W)/x
                         else
                             /(#{rcq})
                             (#{C})
                             (?::(\S+))?
                             (\S.*?\S|\S)
                             #{rcq}/xm
                         end
                     [rc, ht, re, rtype]
                 end
                 # Elements to handle
                 GLYPHS = [
                 #   [ /([^\s\[{(>])?\'([dmst]\b|ll\b|ve\b|\s|:|$)/, '\1&#8217;\2' ], # single closing
                     [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)\'/, '\1&#8217;' ], # single closing
                     [ /\'(?=[#{PUNCT_Q}]*(s\b|[\s#{PUNCT_NOQ}]))/, '&#8217;' ], # single closing
                     [ /\'/, '&#8216;' ], # single opening
                     [ /</, '&lt;' ], # less-than
                     [ />/, '&gt;' ], # greater-than
                 #   [ /([^\s\[{(])?"(\s|:|$)/, '\1&#8221;\2' ], # double closing
                     [ /([^\s\[{(>#{PUNCT_Q}][#{PUNCT_Q}]*)"/, '\1&#8221;' ], # double closing
                     [ /"(?=[#{PUNCT_Q}]*[\s#{PUNCT_NOQ}])/, '&#8221;' ], # double closing
                     [ /"/, '&#8220;' ], # double opening
                     [ /\b( )?\.{3}/, '\1&#8230;' ], # ellipsis
                     [ /\b([A-Z][A-Z0-9]{2,})\b(?:[(]([^)]*)[)])/, '<acronym title="\2">\1</acronym>' ], # 3+ uppercase acronym
                     [ /(^|[^"][>\s])([A-Z][A-Z0-9 ]+[A-Z0-9])([^<A-Za-z0-9]|$)/, '\1<span class="caps">\2</span>\3', :no_span_caps ], # 3+ uppercase caps
                     [ /(\.\s)?\s?--\s?/, '\1&#8212;' ], # em dash
                     [ /\s->\s/, ' &rarr; ' ], # right arrow
                     [ /\s-\s/, ' &#8211; ' ], # en dash
                     [ /(\d+) ?x ?(\d+)/, '\1&#215;\2' ], # dimension sign
                     [ /\b ?[(\[]TM[\])]/i, '&#8482;' ], # trademark
                     [ /\b ?[(\[]R[\])]/i, '&#174;' ], # registered
                     [ /\b ?[(\[]C[\])]/i, '&#169;' ] # copyright
                 ]
                 H_ALGN_VALS = {
                     '<' => 'left',
                     '=' => 'center',
                     '>' => 'right',
                     '<>' => 'justify'
                 }
                 V_ALGN_VALS = {
                     '^' => 'top',
                     '-' => 'middle',
                     '~' => 'bottom'
                 }
                 #
                 # Flexible HTML escaping
                 #
                 def htmlesc( str, mode )
                     str.gsub!( '&', '&amp;' )
                     str.gsub!( '"', '&quot;' ) if mode != :NoQuotes
                     str.gsub!( "'", '&#039;' ) if mode == :Quotes
                     str.gsub!( '<', '&lt;')
                     str.gsub!( '>', '&gt;')
                 end
                 # Search and replace for Textile glyphs (quotes, dashes, other symbols)
                 def pgl( text )
                     GLYPHS.each do |re, resub, tog|
                         next if tog and method( tog ).call
                         text.gsub! re, resub
                     end
                 end
                 # Parses Textile attribute lists and builds an HTML attribute string
                 def pba( text_in, element = "" )
                     return '' unless text_in
                     style = []
                     text = text_in.dup
                     if element == 'td'
                         colspan = $1 if text =~ /\\(\d+)/
                         rowspan = $1 if text =~ /\/(\d+)/
                         style << "vertical-align:#{ v_align( $& ) };" if text =~ A_VLGN
                     end
                     style << "#{ $1 };" if not filter_styles and
                         text.sub!( /\{([^}]*)\}/, '' )
                     lang = $1 if
                         text.sub!( /\[([^)]+?)\]/, '' )
                     cls = $1 if
                         text.sub!( /\(([^()]+?)\)/, '' )
                     style << "padding-left:#{ $1.length }em;" if
                         text.sub!( /([(]+)/, '' )
                     style << "padding-right:#{ $1.length }em;" if text.sub!( /([)]+)/, '' )
                     style << "text-align:#{ h_align( $& ) };" if text =~ A_HLGN
                     cls, id = $1, $2 if cls =~ /^(.*?)#(.*)$/
                     atts = ''
                     atts << " style=\"#{ style.join }\"" unless style.empty?
                     atts << " class=\"#{ cls }\"" unless cls.to_s.empty?
                     atts << " lang=\"#{ lang }\"" if lang
                     atts << " id=\"#{ id }\"" if id
                     atts << " colspan=\"#{ colspan }\"" if colspan
                     atts << " rowspan=\"#{ rowspan }\"" if rowspan
                     atts
                 end
                 TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m
                 # Parses a Textile table block, building HTML from the result.
                 def block_textile_table( text )
                     text.gsub!( TABLE_RE ) do |matches|
                         tatts, fullrow = $~[1..2]
                         tatts = pba( tatts, 'table' )
                         tatts = shelve( tatts ) if tatts
                         rows = []
                         fullrow.
                         split( /\|$/m ).
                         delete_if { |x| x.empty? }.
                         each do |row|
                             ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m
                             cells = []
                             row.split( '|' ).each do |cell|
                                 ctyp = 'd'
                                 ctyp = 'h' if cell =~ /^_/
                                 catts = ''
                                 catts, cell = pba( $1, 'td' ), $2 if cell =~ /^(_?#{S}#{A}#{C}\. ?)(.*)/
                                 unless cell.strip.empty?
                                     catts = shelve( catts ) if catts
                                     cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>"
                                 end
                             end
                             ratts = shelve( ratts ) if ratts
                             rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>"
                         end
                         "\t<table#{ tatts }>\n#{ rows.join( "\n" ) }\n\t</table>\n\n"
                     end
                 end
                 LISTS_RE = /^([#*]+?#{C} .*?)$(?![^#*])/m
                 LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m
                 # Parses Textile lists and generates HTML
                 def block_textile_lists( text )
                     text.gsub!( LISTS_RE ) do |match|
                         lines = match.split( /\n/ )
                         last_line = -1
                         depth = []
                         lines.each_with_index do |line, line_id|
                             if line =~ LISTS_CONTENT_RE
                                 tl,atts,content = $~[1..3]
                                 if depth.last
                                     if depth.last.length > tl.length
                                         (depth.length - 1).downto(0) do |i|
                                             break if depth[i].length == tl.length
                                             lines[line_id - 1] << "</li>\n\t</#{ lT( depth[i] ) }l>\n\t"
                                             depth.pop
                                         end
                                     end
                                     if depth.last and depth.last.length == tl.length
                                         lines[line_id - 1] << '</li>'
                                     end
                                 end
                                 unless depth.last == tl
                                     depth << tl
                                     atts = pba( atts )
                                     atts = shelve( atts ) if atts
                                     lines[line_id] = "\t<#{ lT(tl) }l#{ atts }>\n\t<li>#{ content }"
                                 else
                                     lines[line_id] = "\t\t<li>#{ content }"
                                 end
                                 last_line = line_id
                             else
                                 last_line = line_id
                             end
                             if line_id - last_line > 1 or line_id == lines.length - 1
                                 depth.delete_if do |v|
                                     lines[last_line] << "</li>\n\t</#{ lT( v ) }l>"
                                 end
                             end
                         end
                         lines.join( "\n" )
                     end
                 end
                 CODE_RE = /(\W)
                     @
                     (?:\|(\w+?)\|)?
                     (.+?)
                     @
                     (?=\W)/x
                 def inline_textile_code( text )
                     text.gsub!( CODE_RE ) do |m|
                         before,lang,code,after = $~[1..4]
                         lang = " lang=\"#{ lang }\"" if lang
                         rip_offtags( "#{ before }<code#{ lang }>#{ code }</code>#{ after }" )
                     end
                 end
                 def lT( text )
                     text =~ /\#$/ ? 'o' : 'u'
                 end
                 def hard_break( text )
                     text.gsub!( /(.)\n(?!\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
                 end
                 BLOCKS_GROUP_RE = /\n{2,}(?! )/m
                 def blocks( text, deep_code = false )
                     text.replace( text.split( BLOCKS_GROUP_RE ).collect do |blk|
                         plain = blk !~ /\A[#*> ]/
                         # skip blocks that are complex HTML
                         if blk =~ /^<\/?(\w+).*>/ and not SIMPLE_HTML_TAGS.include? $1
                             blk
                         else
                             # search for indentation levels
                             blk.strip!
                             if blk.empty?
                                 blk
                             else
                                 code_blk = nil
                                 blk.gsub!( /((?:\n(?:\n^ +[^\n]*)+)+)/m ) do |iblk|
                                     flush_left iblk
                                     blocks iblk, plain
                                     iblk.gsub( /^(\S)/, "\t\\1" )
                                     if plain
                                         code_blk = iblk; ""
                                     else
                                         iblk
                                     end
                                 end
                                 block_applied = 0
                                 @rules.each do |rule_name|
                                     block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) )
                                 end
                                 if block_applied.zero?
                                     if deep_code
                                         blk = "\t<pre><code>#{ blk }</code></pre>"
                                     else
                                         blk = "\t<p>#{ blk }</p>"
                                     end
                                 end
                                 # hard_break blk
                                 blk + "\n#{ code_blk }"
                             end
                         end
                     end.join( "\n\n" ) )
                 end
                 def textile_bq( tag, atts, cite, content )
                     cite, cite_title = check_refs( cite )
                     cite = " cite=\"#{ cite }\"" if cite
                     atts = shelve( atts ) if atts
                     "\t<blockquote#{ cite }>\n\t\t<p#{ atts }>#{ content }</p>\n\t</blockquote>"
                 end
                 def textile_p( tag, atts, cite, content )
                     atts = shelve( atts ) if atts
                     "\t<#{ tag }#{ atts }>#{ content }</#{ tag }>"
                 end
                 alias textile_h1 textile_p
                 alias textile_h2 textile_p
                 alias textile_h3 textile_p
                 alias textile_h4 textile_p
                 alias textile_h5 textile_p
                 alias textile_h6 textile_p
                 def textile_fn_( tag, num, atts, cite, content )
                     atts << " id=\"fn#{ num }\""
                     content = "<sup>#{ num }</sup> #{ content }"
                     atts = shelve( atts ) if atts
                     "\t<p#{ atts }>#{ content }</p>"
                 end
                 BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m
                 def block_textile_prefix( text )
                     if text =~ BLOCK_RE
                         tag,tagpre,num,atts,cite,content = $~[1..6]
                         atts = pba( atts )
                         # pass to prefix handler
                         if respond_to? "textile_#{ tag }", true
                             text.gsub!( $&, method( "textile_#{ tag }" ).call( tag, atts, cite, content ) )
                         elsif respond_to? "textile_#{ tagpre }_", true
                             text.gsub!( $&, method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content ) )
                         end
                     end
                 end
                 SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m
                 def block_markdown_setext( text )
                     if text =~ SETEXT_RE
                         tag = if $2 == "="; "h1"; else; "h2"; end
                         blk, cont = "<#{ tag }>#{ $1 }</#{ tag }>", $'
                         blocks cont
                         text.replace( blk + cont )
                     end
                 end
                 ATX_RE = /\A(\#{1,6})  # $1 = string of #'s
                           [ ]*
                           (.+?)       # $2 = Header text
                           [ ]*
                           \#*         # optional closing #'s (not counted)
                           $/x
                 def block_markdown_atx( text )
                     if text =~ ATX_RE
                         tag = "h#{ $1.length }"
                         blk, cont = "<#{ tag }>#{ $2 }</#{ tag }>\n\n", $'
                         blocks cont
                         text.replace( blk + cont )
                     end
                 end
                 MARKDOWN_BQ_RE = /\A(^ *> ?.+$(.+\n)*\n*)+/m
                 def block_markdown_bq( text )
                     text.gsub!( MARKDOWN_BQ_RE ) do |blk|
                         blk.gsub!( /^ *> ?/, '' )
                         flush_left blk
                         blocks blk
                         blk.gsub!( /^(\S)/, "\t\\1" )
                         "<blockquote>\n#{ blk }\n</blockquote>\n\n"
                     end
                 end
                 MARKDOWN_RULE_RE = /^(#{
                     ['*', '-', '_'].collect { |ch| '( ?' + Regexp::quote( ch ) + ' ?){3,}' }.join( '|' )
                 })$/
                 def block_markdown_rule( text )
                     text.gsub!( MARKDOWN_RULE_RE ) do |blk|
                         "<hr />"
                     end
                 end
                 # XXX TODO XXX
                 def block_markdown_lists( text )
                 end
                 def inline_textile_span( text )
                     QTAGS.each do |qtag_rc, ht, qtag_re, rtype|
                         text.gsub!( qtag_re ) do |m|
                             case rtype
                             when :limit
                                 sta,qtag,atts,cite,content = $~[1..5]
                             else
                                 qtag,atts,cite,content = $~[1..4]
                                 sta = ''
                             end
                             atts = pba( atts )
                             atts << " cite=\"#{ cite }\"" if cite
                             atts = shelve( atts ) if atts
                             "#{ sta }<#{ ht }#{ atts }>#{ content }</#{ ht }>"
                         end
                     end
                 end
                 LINK_RE = /
                         ([\s\[{(]|[#{PUNCT}])?     # $pre
                         "                          # start
                         (#{C})                     # $atts
                         ([^"]+?)                   # $text
                         \s?
                         (?:\(([^)]+?)\)(?="))?     # $title
                         ":
                         (\S+?)                     # $url
                         (\/)?                      # $slash
                         ([^\w\/;]*?)               # $post
                         (?=<|\s|$)
                     /x
                 def inline_textile_link( text )
                     text.gsub!( LINK_RE ) do |m|
                         pre,atts,text,title,url,slash,post = $~[1..7]
                         url, url_title = check_refs( url )
                         title ||= url_title
                         atts = pba( atts )
                         atts = " href=\"#{ url }#{ slash }\"#{ atts }"
                         atts << " title=\"#{ title }\"" if title
                         atts = shelve( atts ) if atts
                         external = (url =~ /^http:\/\//) ? ' class="external"' : ''
                         "#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"
                     end
                 end
                 MARKDOWN_REFLINK_RE = /
                         \[([^\[\]]+)\]      # $text
                         [ ]?                # opt. space
                         (?:\n[ ]*)?         # one optional newline followed by spaces
                         \[(.*?)\]           # $id
                     /x
                 def inline_markdown_reflink( text )
                     text.gsub!( MARKDOWN_REFLINK_RE ) do |m|
                         text, id = $~[1..2]
                         if id.empty?
                             url, title = check_refs( text )
                         else
                             url, title = check_refs( id )
                         end
                         atts = " href=\"#{ url }\""
                         atts << " title=\"#{ title }\"" if title
                         atts = shelve( atts )
                         "<a#{ atts }>#{ text }</a>"
                     end
                 end
                 MARKDOWN_LINK_RE = /
                         \[([^\[\]]+)\]      # $text
                         \(                  # open paren
                         [ \t]*              # opt space
                         <?(.+?)>?           # $href
                         [ \t]*              # opt space
                         (?:                 # whole title
                         (['"])              # $quote
                         (.*?)               # $title
                         \3                  # matching quote
                         )?                  # title is optional
                         \)
                     /x
                 def inline_markdown_link( text )
                     text.gsub!( MARKDOWN_LINK_RE ) do |m|
                         text, url, quote, title = $~[1..4]
                         atts = " href=\"#{ url }\""
                         atts << " title=\"#{ title }\"" if title
                         atts = shelve( atts )
                         "<a#{ atts }>#{ text }</a>"
                     end
                 end
                 TEXTILE_REFS_RE =  /(^ *)\[([^\[\n]+?)\](#{HYPERLINK})(?=\s|$)/
                 MARKDOWN_REFS_RE = /(^ *)\[([^\n]+?)\]:\s+<?(#{HYPERLINK})>?(?:\s+"((?:[^"]|\\")+)")?(?=\s|$)/m
                 def refs( text )
                     @rules.each do |rule_name|
                         method( rule_name ).call( text ) if rule_name.to_s.match /^refs_/
                     end
                 end
                 def refs_textile( text )
                     text.gsub!( TEXTILE_REFS_RE ) do |m|
                         flag, url = $~[2..3]
                         @urlrefs[flag.downcase] = [url, nil]
                         nil
                     end
                 end
                 def refs_markdown( text )
                     text.gsub!( MARKDOWN_REFS_RE ) do |m|
                         flag, url = $~[2..3]
                         title = $~[6]
                         @urlrefs[flag.downcase] = [url, title]
                         nil
                     end
                 end
                 def check_refs( text )
                     ret = @urlrefs[text.downcase] if text
                     ret || [text, nil]
                 end
                 IMAGE_RE = /
                         (<p>|.|^)            # start of line?
                         \!                   # opening
                         (\<|\=|\>)?          # optional alignment atts
                         (#{C})               # optional style,class atts
                         (?:\. )?             # optional dot-space
                         ([^\s(!]+?)          # presume this is the src
                         \s?                  # optional space
                         (?:\(((?:[^\(\)]|\([^\)]+\))+?)\))?   # optional title
                         \!                   # closing
                         (?::#{ HYPERLINK })? # optional href
                     /x
                 def inline_textile_image( text )
                     text.gsub!( IMAGE_RE )  do |m|
                         stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8]
                         atts = pba( atts )
                         atts = " src=\"#{ url }\"#{ atts }"
                         atts << " title=\"#{ title }\"" if title
                         atts << " alt=\"#{ title }\""
                         # size = @getimagesize($url);
                         # if($size) $atts.= " $size[3]";
                         href, alt_title = check_refs( href ) if href
                         url, url_title = check_refs( url )
                         out = ''
                         out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href
                         out << "<img#{ shelve( atts ) } />"
                         out << "</a>#{ href_a1 }#{ href_a2 }" if href
                         if algn
                             algn = h_align( algn )
                             if stln == "<p>"
                                 out = "<p style=\"float:#{ algn }\">#{ out }"
                             else
                                 out = "#{ stln }<div style=\"float:#{ algn }\">#{ out }</div>"
                             end
                         else
                             out = stln + out
                         end
                         out
                     end
                 end
                 def shelve( val )
                     @shelf << val
                     " :redsh##{ @shelf.length }:"
                 end
                 def retrieve( text )
                     @shelf.each_with_index do |r, i|
                         text.gsub!( " :redsh##{ i + 1 }:", r )
                     end
                 end
                 def incoming_entities( text )
                     ## turn any incoming ampersands into a dummy character for now.
                     ## This uses a negative lookahead for alphanumerics followed by a semicolon,
                     ## implying an incoming html entity, to be skipped
                     text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" )
                 end
                 def no_textile( text )
                     text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/,
                         '\1<notextile>\2</notextile>\3' )
                     text.gsub!( /^ *==([^=]+.*?)==/m,
                         '\1<notextile>\2</notextile>\3' )
                 end
                 def clean_white_space( text )
                     # normalize line breaks
                     text.gsub!( /\r\n/, "\n" )
                     text.gsub!( /\r/, "\n" )
                     text.gsub!( /\t/, '    ' )
                     text.gsub!( /^ +$/, '' )
                     text.gsub!( /\n{3,}/, "\n\n" )
                     text.gsub!( /"$/, "\" " )
                     # if entire document is indented, flush
                     # to the left side
                     flush_left text
                 end
                 def flush_left( text )
                     indt = 0
                     if text =~ /^ /
                         while text !~ /^ {#{indt}}\S/
                             indt += 1
                         end unless text.empty?
                         if indt.nonzero?
                             text.gsub!( /^ {#{indt}}/, '' )
                         end
                     end
                 end
                 def footnote_ref( text )
                     text.gsub!( /\b\[([0-9]+?)\](\s)?/,
                         '<sup><a href="#fn\1">\1</a></sup>\2' )
                 end
                 OFFTAGS = /(code|pre|kbd|notextile)/
                 OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }>)|(<#{ OFFTAGS }[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }|\Z)/mi
                 OFFTAG_OPEN = /<#{ OFFTAGS }/
                 OFFTAG_CLOSE = /<\/?#{ OFFTAGS }/
                 HASTAG_MATCH = /(<\/?\w[^\n]*?>)/m
                 ALLTAG_MATCH = /(<\/?\w[^\n]*?>)|.*?(?=<\/?\w[^\n]*?>|$)/m
                 def glyphs_textile( text, level = 0 )
                     if text !~ HASTAG_MATCH
                         pgl text
                         footnote_ref text
                     else
                         codepre = 0
                         text.gsub!( ALLTAG_MATCH ) do |line|
                             ## matches are off if we're between <code>, <pre> etc.
                             if $1
                                 if line =~ OFFTAG_OPEN
                                     codepre += 1
                                 elsif line =~ OFFTAG_CLOSE
                                     codepre -= 1
                                     codepre = 0 if codepre < 0
                                 end
                             elsif codepre.zero?
                                 glyphs_textile( line, level + 1 )
                             else
                                 htmlesc( line, :NoQuotes )
                             end
                             # p [level, codepre, line]
                             line
                         end
                     end
                 end
                 def rip_offtags( text )
                     if text =~ /<.*>/
                         ## strip and encode <pre> content
                         codepre, used_offtags = 0, {}
                         text.gsub!( OFFTAG_MATCH ) do |line|
                             if $3
                                 offtag, aftertag = $4, $5
                                 codepre += 1
                                 used_offtags[offtag] = true
                                 if codepre - used_offtags.length > 0
                                     htmlesc( line, :NoQuotes ) unless used_offtags['notextile']
                                     @pre_list.last << line
                                     line = ""
                                 else
                                     htmlesc( aftertag, :NoQuotes ) if aftertag and not used_offtags['notextile']
                                     line = "<redpre##{ @pre_list.length }>"
                                     @pre_list << "#{ $3 }#{ aftertag }"
                                 end
                             elsif $1 and codepre > 0
                                 if codepre - used_offtags.length > 0
                                     htmlesc( line, :NoQuotes ) unless used_offtags['notextile']
                                     @pre_list.last << line
                                     line = ""
                                 end
                                 codepre -= 1 unless codepre.zero?
                                 used_offtags = {} if codepre.zero?
                             end
                             line
                         end
                     end
                     text
                 end
                 def smooth_offtags( text )
                     unless @pre_list.empty?
                         ## replace <pre> content
                         text.gsub!( /<redpre#(\d+)>/ ) { @pre_list[$1.to_i] }
                     end
                 end
                 def inline( text )
                     [/^inline_/, /^glyphs_/].each do |meth_re|
                         @rules.each do |rule_name|
                             method( rule_name ).call( text ) if rule_name.to_s.match( meth_re )
                         end
                     end
                 end
                 def h_align( text )
                     H_ALGN_VALS[text]
                 end
                 def v_align( text )
                     V_ALGN_VALS[text]
                 end
                 def textile_popup_help( name, windowW, windowH )
                     ' <a target="_blank" href="http://hobix.com/textile/#' + helpvar + '" onclick="window.open(this.href, \'popupwindow\', \'width=' + windowW + ',height=' + windowH + ',scrollbars,resizable\'); return false;">' + name + '</a><br />'
                 end
                 # HTML cleansing stuff
                 BASIC_TAGS = {
                     'a' => ['href', 'title'],
                     'img' => ['src', 'alt', 'title'],
                     'br' => [],
                     'i' => nil,
                     'u' => nil,
                     'b' => nil,
                     'pre' => nil,
                     'kbd' => nil,
                     'code' => ['lang'],
                     'cite' => nil,
                     'strong' => nil,
                     'em' => nil,
                     'ins' => nil,
                     'sup' => nil,
                     'sub' => nil,
                     'del' => nil,
                     'table' => nil,
                     'tr' => nil,
                     'td' => ['colspan', 'rowspan'],
                     'th' => nil,
                     'ol' => nil,
                     'ul' => nil,
                     'li' => nil,
                     'p' => nil,
                     'h1' => nil,
                     'h2' => nil,
                     'h3' => nil,
                     'h4' => nil,
                     'h5' => nil,
                     'h6' => nil,
                     'blockquote' => ['cite']
                 }
                 def clean_html( text, tags = BASIC_TAGS )
                     text.gsub!( /<!\[CDATA\[/, '' )
                     text.gsub!( /<(\/*)(\w+)([^>]*)>/ ) do
                         raw = $~
                         tag = raw[2].downcase
                         if tags.has_key? tag
                             pcs = [tag]
                             tags[tag].each do |prop|
                                 ['"', "'", ''].each do |q|
                                     q2 = ( q != '' ? q : '\s' )
                                     if raw[3] =~ /#{prop}\s*=\s*#{q}([^#{q2}]+)#{q}/i
                                         attrv = $1
                                         next if prop == 'src' and attrv =~ %r{^(?!http)\w+:}
                                         pcs << "#{prop}=\"#{$1.gsub('"', '\\"')}\""
                                         break
                                     end
                                 end
                             end if tags[tag]
                             "<#{raw[1]}#{pcs.join " "}>"
                         else
                             " "
                         end
                     end
                 end
             end

             # redMine - project management software
             # Copyright (C) 2006-2007  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             require File.dirname(__FILE__) + '/../../test_helper'
             class ApplicationHelperTest < HelperTestCase
               include ApplicationHelper
               include ActionView::Helpers::TextHelper
               fixtures :projects, :repositories, :changesets, :trackers, :issue_statuses, :issues
               def setup
                 super
               end
               def test_auto_links
                 to_test = {
                   'http://foo.bar' => '<a class="external" href="http://foo.bar">http://foo.bar</a>',
+                  'http://foo.bar/~user' => '<a class="external" href="http://foo.bar/~user">http://foo.bar/~user</a>',
                   'http://foo.bar.' => '<a class="external" href="http://foo.bar">http://foo.bar</a>.',
                   'http://foo.bar/foo.bar#foo.bar.' => '<a class="external" href="http://foo.bar/foo.bar#foo.bar">http://foo.bar/foo.bar#foo.bar</a>.',
                   'www.foo.bar' => '<a class="external" href="http://www.foo.bar">www.foo.bar</a>',
                   'http://foo.bar/page?p=1&t=z&s=' => '<a class="external" href="http://foo.bar/page?p=1&#38;t=z&#38;s=">http://foo.bar/page?p=1&#38;t=z&#38;s=</a>',
                   'http://foo.bar/page#125' => '<a class="external" href="http://foo.bar/page#125">http://foo.bar/page#125</a>'
                 }
                 to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text) }
               end
               def test_auto_mailto
                 assert_equal '<p><a href="mailto:test@foo.bar" class="email">test@foo.bar</a></p>',
                   textilizable('test@foo.bar')
               end
               def test_textile_tags
                 to_test = {
                   # inline images
                   '!http://foo.bar/image.jpg!' => '<img src="http://foo.bar/image.jpg" alt="" />',
                   'floating !>http://foo.bar/image.jpg!' => 'floating <div style="float:right"><img src="http://foo.bar/image.jpg" alt="" /></div>',
                   # textile links
                   'This is a "link":http://foo.bar' => 'This is a <a href="http://foo.bar" class="external">link</a>',
                   'This is an intern "link":/foo/bar' => 'This is an intern <a href="/foo/bar">link</a>',
                   '"link (Link title)":http://foo.bar' => '<a href="http://foo.bar" title="Link title" class="external">link</a>'
                 }
                 to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text) }
               end
               def test_redmine_links
                 issue_link = link_to('#3', {:controller => 'issues', :action => 'show', :id => 3},
                                            :class => 'issue', :title => 'Error 281 when updating a recipe (New)')
                 changeset_link = link_to('r1', {:controller => 'repositories', :action => 'revision', :id => 1, :rev => 1},
                                                :class => 'changeset', :title => 'My very first commit')
                 to_test = {
                   '#3, #3 and #3.' => "#{issue_link}, #{issue_link} and #{issue_link}.",
                   'r1' => changeset_link
                 }
                 @project = Project.find(1)
                 to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text) }
               end
             end