> Not all of the GitLab-specific extensions to Markdown that are described in this document currently work on our documentation website.
>
> For the best result, we encourage you to check this document out as rendered by GitLab: [markdown.md](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/markdown/markdown.md).
Not all of the GitLab-specific extensions to Markdown that are described in
this document currently work on our documentation website.
>
For the best result, we encourage you to check this document out as rendered
by GitLab: [markdown.md]
_GitLab uses the [Redcarpet Ruby library][redcarpet] for Markdown processing._
GitLab uses "GitLab Flavored Markdown" (GFM). It extends the standard Markdown in a few significant ways to add some useful functionality. It was inspired by [GitHub Flavored Markdown](https://help.github.com/articles/basic-writing-and-formatting-syntax/).
You can use GFM in
You can use GFM in the following areas:
- comments
- issues
- merge requests
- milestones
- snippets (the snippet must be named with a `.md` extension)
- wiki pages
- markdown documents inside the repository
You can also use other rich text files in GitLab. You might have to install a dependency to do so. Please see the [github-markup gem readme](https://github.com/gitlabhq/markup#markups) for more information.
You can also use other rich text files in GitLab. You might have to install a
dependency to do so. Please see the [github-markup gem readme](https://github.com/gitlabhq/markup#markups) for more information.
GFM honors the markdown specification in how [paragraphs and line breaks are handled](https://daringfireball.net/projects/markdown/syntax#p).
A paragraph is simply one or more consecutive lines of text, separated by one or more blank lines.
Line-breaks, or softreturns, are rendered if you end a line with two or more spaces
Line-breaks, or softreturns, are rendered if you end a line with two or more spaces:
Roses are red [followed by two or more spaces]
Violets are blue
...
...
@@ -70,17 +78,25 @@ Sugar is sweet
## Multiple underscores in words
It is not reasonable to italicize just _part_ of a word, especially when you're dealing with code and names that often appear with multiple underscores. Therefore, GFM ignores multiple underscores in words.
It is not reasonable to italicize just _part_ of a word, especially when you're dealing with code and names that often appear with multiple underscores. Therefore, GFM ignores multiple underscores in words:
perform_complicated_task
do_this_and_do_that_and_another_thing
perform_complicated_task
do_this_and_do_that_and_another_thing
## URL auto-linking
GFM will autolink almost any URL you copy and paste into your text.
_GitLab uses the [Rouge Ruby library][rouge] for syntax highlighting. For a
list of supported languages visit the Rouge website._
Blocks of code are either fenced by lines with three back-ticks <code>```</code>, or are indented with four spaces. Only the fenced code blocks support syntax highlighting.
Blocks of code are either fenced by lines with three back-ticks <code>```</code>,
or are indented with four spaces. Only the fenced code blocks support syntax
highlighting:
```no-highlight
Inline `code` has `back-ticks around` it.
...
...
@@ -194,6 +218,9 @@ But let's throw in a <b>tag</b>.
Image tags with a video extension are automatically converted to a video player.
The valid video extensions are `.mp4`, `.m4v`, `.mov`, `.webm`, and `.ogv`.
...
...
@@ -662,6 +698,7 @@ By including colons in the header row, you can align the text within that column
- The [Markdown Syntax Guide](https://daringfireball.net/projects/markdown/syntax) at Daring Fireball is an excellent resource for a detailed explanation of standard markdown.
-[Dillinger.io](http://dillinger.io) is a handy tool for testing standard markdown.
