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http://daringfireball.net/projects/downloads/Markdown_1.0.1.zip md5: f17b3c2b2830c6fd2fe0098226e59a2f sha1: 7e6d1d9224f16fec5631bf6bc5147f1e64715a4b sha256: 6520e9b6a58c5555e381b6223d66feddee67f675ed312ec19e9cee1b92bc0137master markdown_1.0.1
John Gruber
20 years ago
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Copyright (c) 2004, John Gruber |
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<http://daringfireball.net/> |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are |
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met: |
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* Redistributions of source code must retain the above copyright notice, |
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this list of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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* Neither the name "Markdown" nor the names of its contributors may |
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be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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This software is provided by the copyright holders and contributors "as |
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is" and any express or implied warranties, including, but not limited |
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to, the implied warranties of merchantability and fitness for a |
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particular purpose are disclaimed. In no event shall the copyright owner |
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or contributors be liable for any direct, indirect, incidental, special, |
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exemplary, or consequential damages (including, but not limited to, |
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procurement of substitute goods or services; loss of use, data, or |
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profits; or business interruption) however caused and on any theory of |
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liability, whether in contract, strict liability, or tort (including |
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negligence or otherwise) arising in any way out of the use of this |
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software, even if advised of the possibility of such damage. |
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Markdown |
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======== |
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Version 1.0.1 - Tue 14 Dec 2004 |
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by John Gruber |
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<http://daringfireball.net/> |
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Introduction |
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------------ |
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Markdown is a text-to-HTML conversion tool for web writers. Markdown |
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allows you to write using an easy-to-read, easy-to-write plain text |
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format, then convert it to structurally valid XHTML (or HTML). |
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Thus, "Markdown" is two things: a plain text markup syntax, and a |
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software tool, written in Perl, that converts the plain text markup |
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to HTML. |
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Markdown works both as a Movable Type plug-in and as a standalone Perl |
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script -- which means it can also be used as a text filter in BBEdit |
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(or any other application that supporst filters written in Perl). |
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Full documentation of Markdown's syntax and configuration options is |
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available on the web: <http://daringfireball.net/projects/markdown/>. |
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(Note: this readme file is formatted in Markdown.) |
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Installation and Requirements |
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----------------------------- |
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Markdown requires Perl 5.6.0 or later. Welcome to the 21st Century. |
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Markdown also requires the standard Perl library module `Digest::MD5`. |
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### Movable Type ### |
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Markdown works with Movable Type version 2.6 or later (including |
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MT 3.0 or later). |
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1. Copy the "Markdown.pl" file into your Movable Type "plugins" |
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directory. The "plugins" directory should be in the same directory |
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as "mt.cgi"; if the "plugins" directory doesn't already exist, use |
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your FTP program to create it. Your installation should look like |
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this: |
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(mt home)/plugins/Markdown.pl |
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2. Once installed, Markdown will appear as an option in Movable Type's |
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Text Formatting pop-up menu. This is selectable on a per-post basis. |
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Markdown translates your posts to HTML when you publish; the posts |
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themselves are stored in your MT database in Markdown format. |
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3. If you also install SmartyPants 1.5 (or later), Markdown will offer |
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a second text formatting option: "Markdown with SmartyPants". This |
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option is the same as the regular "Markdown" formatter, except that |
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automatically uses SmartyPants to create typographically correct |
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curly quotes, em-dashes, and ellipses. See the SmartyPants web page |
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for more information: <http://daringfireball.net/projects/smartypants/> |
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4. To make Markdown (or "Markdown with SmartyPants") your default |
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text formatting option for new posts, go to Weblog Config -> |
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Preferences. |
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Note that by default, Markdown produces XHTML output. To configure |
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Markdown to produce HTML 4 output, see "Configuration", below. |
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### Blosxom ### |
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Markdown works with Blosxom version 2.x. |
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1. Rename the "Markdown.pl" plug-in to "Markdown" (case is |
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important). Movable Type requires plug-ins to have a ".pl" |
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extension; Blosxom forbids it. |
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2. Copy the "Markdown" plug-in file to your Blosxom plug-ins folder. |
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If you're not sure where your Blosxom plug-ins folder is, see the |
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Blosxom documentation for information. |
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3. That's it. The entries in your weblog will now automatically be |
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processed by Markdown. |
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4. If you'd like to apply Markdown formatting only to certain posts, |
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rather than all of them, see Jason Clark's instructions for using |
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Markdown in conjunction with Blosxom's Meta plugin: |
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<http://jclark.org/weblog/WebDev/Blosxom/Markdown.html> |
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### BBEdit ### |
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Markdown works with BBEdit 6.1 or later on Mac OS X. (It also works |
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with BBEdit 5.1 or later and MacPerl 5.6.1 on Mac OS 8.6 or later.) |
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1. Copy the "Markdown.pl" file to appropriate filters folder in your |
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"BBEdit Support" folder. On Mac OS X, this should be: |
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BBEdit Support/Unix Support/Unix Filters/ |
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See the BBEdit documentation for more details on the location of |
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these folders. |
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You can rename "Markdown.pl" to whatever you wish. |
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2. That's it. To use Markdown, select some text in a BBEdit document, |
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then choose Markdown from the Filters sub-menu in the "#!" menu, or |
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the Filters floating palette |
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Configuration |
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------------- |
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By default, Markdown produces XHTML output for tags with empty elements. |
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E.g.: |
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<br /> |
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Markdown can be configured to produce HTML-style tags; e.g.: |
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<br> |
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### Movable Type ### |
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You need to use a special `MTMarkdownOptions` container tag in each |
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Movable Type template where you want HTML 4-style output: |
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<MTMarkdownOptions output='html4'> |
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... put your entry content here ... |
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</MTMarkdownOptions> |
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The easiest way to use MTMarkdownOptions is probably to put the |
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opening tag right after your `<body>` tag, and the closing tag right |
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before `</body>`. |
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To suppress Markdown processing in a particular template, i.e. to |
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publish the raw Markdown-formatted text without translation into |
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(X)HTML, set the `output` attribute to 'raw': |
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<MTMarkdownOptions output='raw'> |
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... put your entry content here ... |
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</MTMarkdownOptions> |
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### Command-Line ### |
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Use the `--html4tags` command-line switch to produce HTML output from a |
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Unix-style command line. E.g.: |
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% perl Markdown.pl --html4tags foo.text |
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Type `perldoc Markdown.pl`, or read the POD documentation within the |
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Markdown.pl source code for more information. |
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Bugs |
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---- |
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To file bug reports or feature requests please send email to: |
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<markdown@daringfireball.net>. |
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Version History |
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--------------- |
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1.0.1 (14 Dec 2004): |
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+ Changed the syntax rules for code blocks and spans. Previously, |
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backslash escapes for special Markdown characters were processed |
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everywhere other than within inline HTML tags. Now, the contents |
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of code blocks and spans are no longer processed for backslash |
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escapes. This means that code blocks and spans are now treated |
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literally, with no special rules to worry about regarding |
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backslashes. |
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**NOTE**: This changes the syntax from all previous versions of |
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Markdown. Code blocks and spans involving backslash characters |
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will now generate different output than before. |
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+ Tweaked the rules for link definitions so that they must occur |
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within three spaces of the left margin. Thus if you indent a link |
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definition by four spaces or a tab, it will now be a code block. |
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[a]: /url/ "Indented 3 spaces, this is a link def" |
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[b]: /url/ "Indented 4 spaces, this is a code block" |
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**IMPORTANT**: This may affect existing Markdown content if it |
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contains link definitions indented by 4 or more spaces. |
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+ Added `>`, `+`, and `-` to the list of backslash-escapable |
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characters. These should have been done when these characters |
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were added as unordered list item markers. |
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+ Trailing spaces and tabs following HTML comments and `<hr/>` tags |
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are now ignored. |
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+ Inline links using `<` and `>` URL delimiters weren't working: |
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like [this](<http://example.com/>) |
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+ Added a bit of tolerance for trailing spaces and tabs after |
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Markdown hr's. |
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+ Fixed bug where auto-links were being processed within code spans: |
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like this: `<http://example.com/>` |
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+ Sort-of fixed a bug where lines in the middle of hard-wrapped |
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paragraphs, which lines look like the start of a list item, |
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would accidentally trigger the creation of a list. E.g. a |
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paragraph that looked like this: |
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I recommend upgrading to version |
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8. Oops, now this line is treated |
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as a sub-list. |
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This is fixed for top-level lists, but it can still happen for |
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sub-lists. E.g., the following list item will not be parsed |
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properly: |
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+ I recommend upgrading to version |
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8. Oops, now this line is treated |
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as a sub-list. |
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Given Markdown's list-creation rules, I'm not sure this can |
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be fixed. |
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+ Standalone HTML comments are now handled; previously, they'd get |
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wrapped in a spurious `<p>` tag. |
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+ Fix for horizontal rules preceded by 2 or 3 spaces. |
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+ `<hr>` HTML tags in must occur within three spaces of left |
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margin. (With 4 spaces or a tab, they should be code blocks, but |
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weren't before this fix.) |
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+ Capitalized "With" in "Markdown With SmartyPants" for |
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consistency with the same string label in SmartyPants.pl. |
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(This fix is specific to the MT plug-in interface.) |
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+ Auto-linked email address can now optionally contain |
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a 'mailto:' protocol. I.e. these are equivalent: |
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<mailto:user@example.com> |
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<user@example.com> |
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+ Fixed annoying bug where nested lists would wind up with |
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spurious (and invalid) `<p>` tags. |
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+ You can now write empty links: |
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[like this]() |
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and they'll be turned into anchor tags with empty href attributes. |
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This should have worked before, but didn't. |
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+ `***this***` and `___this___` are now turned into |
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<strong><em>this</em></strong> |
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Instead of |
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<strong><em>this</strong></em> |
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which isn't valid. (Thanks to Michel Fortin for the fix.) |
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+ Added a new substitution in `_EncodeCode()`: s/\$/$/g; This |
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is only for the benefit of Blosxom users, because Blosxom |
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(sometimes?) interpolates Perl scalars in your article bodies. |
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+ Fixed problem for links defined with urls that include parens, e.g.: |
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[1]: http://sources.wikipedia.org/wiki/Middle_East_Policy_(Chomsky) |
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"Chomsky" was being erroneously treated as the URL's title. |
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+ At some point during 1.0's beta cycle, I changed every sub's |
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argument fetching from this idiom: |
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my $text = shift; |
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to: |
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my $text = shift || return ''; |
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The idea was to keep Markdown from doing any work in a sub |
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if the input was empty. This introduced a bug, though: |
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if the input to any function was the single-character string |
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"0", it would also evaluate as false and return immediately. |
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How silly. Now fixed. |
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Donations |
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--------- |
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Donations to support Markdown's development are happily accepted. See: |
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<http://daringfireball.net/projects/markdown/> for details. |
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Copyright and License |
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--------------------- |
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Copyright (c) 2003-2004 John Gruber |
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<http://daringfireball.net/> |
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All rights reserved. |
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|
||||
|
Redistribution and use in source and binary forms, with or without |
||||
|
modification, are permitted provided that the following conditions are |
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|
met: |
||||
|
|
||||
|
* Redistributions of source code must retain the above copyright notice, |
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|
this list of conditions and the following disclaimer. |
||||
|
|
||||
|
* Redistributions in binary form must reproduce the above copyright |
||||
|
notice, this list of conditions and the following disclaimer in the |
||||
|
documentation and/or other materials provided with the distribution. |
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|
|
||||
|
* Neither the name "Markdown" nor the names of its contributors may |
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|
be used to endorse or promote products derived from this software |
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|
without specific prior written permission. |
||||
|
|
||||
|
This software is provided by the copyright holders and contributors "as |
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|
is" and any express or implied warranties, including, but not limited |
||||
|
to, the implied warranties of merchantability and fitness for a |
||||
|
particular purpose are disclaimed. In no event shall the copyright owner |
||||
|
or contributors be liable for any direct, indirect, incidental, special, |
||||
|
exemplary, or consequential damages (including, but not limited to, |
||||
|
procurement of substitute goods or services; loss of use, data, or |
||||
|
profits; or business interruption) however caused and on any theory of |
||||
|
liability, whether in contract, strict liability, or tort (including |
||||
|
negligence or otherwise) arising in any way out of the use of this |
||||
|
software, even if advised of the possibility of such damage. |
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