markdown.html.haml
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= render layout: 'help/layout' do
%h3.page_title GitLab Flavored Markdown
%br
.row
.span8
%p
For GitLab we developed something we call "GitLab Flavored Markdown" (GFM).
It extends the standard Markdown in a few significant ways adds some useful functionality.
%p You can use GFM in:
%ul
%li commit messages
%li comments
%li wall posts
%li issues
%li merge requests
%li milestones
%li wiki pages
.span4
.alert.alert-info
%p
If you're not already familiar with Markdown, you should spend 15 minutes and go over the excellent
%strong= link_to "Markdown Syntax Guide", "http://daringfireball.net/projects/markdown/syntax"
at Daring Fireball.
.row
.span8
%h3 Differences from traditional Markdown
%h4 Newlines
%p
The biggest difference that GFM introduces is in the handling of linebreaks.
With traditional Markdown you can hard wrap paragraphs of text and they will be combined into a single paragraph. We find this to be the cause of a huge number of unintentional formatting errors.
GFM treats newlines in paragraph-like content as real line breaks, which is probably what you intended.
%p The next paragraph contains two phrases separated by a single newline character:
%pre= "Roses are red\nViolets are blue"
%p becomes
= markdown "Roses are red\nViolets are blue"
%h4 Multiple underscores in words
%p
It is not reasonable to italicize just <em>part</em> of a word, especially when you're dealing with code and names often appear with multiple underscores.
Therefore, GFM ignores multiple underscores in words.
%pre= "perform_complicated_task\ndo_this_and_do_that_and_another_thing"
%p becomes
= markdown "perform_complicated_task\ndo_this_and_do_that_and_another_thing"
%h4 URL autolinking
%p
GFM will autolink standard URLs you copy and paste into your text.
So if you want to link to a URL (instead of a textual link), you can simply put the URL in verbatim and it will be turned into a link to that URL.
%h4 Fenced code blocks
%p
Markdown converts text with four spaces at the front of each line to code blocks.
GFM supports that, but we also support fenced blocks.
Just wrap your code blocks in <code>```</code> and you won't need to indent manually to trigger a code block.
%pre= %Q{```ruby\nrequire 'redcarpet'\nmarkdown = Redcarpet.new("Hello World!")\nputs markdown.to_html\n```}
%p becomes
= markdown %Q{```ruby\nrequire 'redcarpet'\nmarkdown = Redcarpet.new("Hello World!")\nputs markdown.to_html\n```}
%h4 Emoji
.row
.span8
:ruby
puts markdown %Q{Sometimes you want to be :cool: and add some :sparkles: to your :speech_balloon:. Well we have a :gift: for you:
:exclamation: You can use emoji anywhere GFM is supported. :sunglasses:
You can use it to point out a :bug: or warn about :monkey:patches. And if someone improves your really :snail: code, send them a :bouquet: or some :candy:. People will :heart: you for that.
If you are :new: to this, don't be :fearful:. You can easily join the emoji :circus_tent:. All you need to do is to :book: up on the supported codes.
}
.span4
.alert.alert-info
%p
Consult the
%strong= link_to "Emoji Cheat Sheet", "http://www.emoji-cheat-sheet.com/"
for a list of all supported emoji codes.
.row
.span8
%h4 Special GitLab references
%p
GFM recognizes special references.
You can easily reference e.g. a team member, an issue or a commit within a project.
GFM will turn that reference into a link so you can navigate between them easily.
%p GFM will recognize the following references:
%ul
%li
%code @foo
for team members
%li
%code #123
for issues
%li
%code !123
for merge request
%li
%code $123
for snippets
%li
%code 1234567
for commits
-# this example will only be shown if the user has a project with at least one issue
- if @project = current_user.authorized_projects.first
- if issue = @project.issues.first
%p For example in your #{link_to @project.name, project_path(@project)} project, writing:
%pre= "This is related to ##{issue.id}. @#{current_user.username} is working on solving it."
%p becomes:
= markdown "This is related to ##{issue.id}. @#{current_user.username} is working on solving it."
- @project = nil # Prevent this from bubbling up to page title