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authorGuillaume Grossetie <g.grossetie@gmail.com>2019-06-14 07:53:08 +0000
committerJames Lopez <james@gitlab.com>2019-06-14 07:53:08 +0000
commit3f5d7c7e1c9a8b5ba53996e8a8f2f4881929b2ea (patch)
tree6b8c33c73a5391953e9da8c9d7b7f2c72295cf07 /doc/user/asciidoc.md
parentcd300323c8cc6744c46ef3f732c412226615abbf (diff)
downloadgitlab-ce-3f5d7c7e1c9a8b5ba53996e8a8f2f4881929b2ea.tar.gz
Add basic support for AsciiDoc include directive
See http://asciidoctor.org/docs/user-manual/#include-directive
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+# AsciiDoc
+
+GitLab uses the [Asciidoctor](https://asciidoctor.org) gem to convert AsciiDoc content to HTML5.
+Consult the [Asciidoctor User Manual](https://asciidoctor.org/docs/user-manual) for a complete Asciidoctor reference.
+
+## Syntax
+
+Here's a brief reference of the most commonly used AsciiDoc syntax.
+You can find the full documentation for the AsciiDoc syntax at https://asciidoctor.org/docs.
+
+### Paragraphs
+
+```asciidoc
+A normal paragraph.
+Line breaks are not preserved.
+```
+
+Line comments, which are lines that start with `//`, are skipped:
+
+```
+// this is a comment
+```
+
+A blank line separates paragraphs.
+
+A paragraph with the `[%hardbreaks]` option will preserve line breaks:
+
+```asciidoc
+[%hardbreaks]
+This paragraph carries the `hardbreaks` option.
+Notice how line breaks are now preserved.
+```
+
+An indented (literal) paragraph disables text formatting,
+preserves spaces and line breaks, and is displayed in a
+monospaced font:
+
+```asciidoc
+ This literal paragraph is indented with one space.
+ As a consequence, *text formatting*, spaces,
+ and lines breaks will be preserved.
+```
+
+An admonition paragraph grabs the reader's attention:
+
+```asciidoc
+NOTE: This is a brief reference, please read the full documentation at https://asciidoctor.org/docs.
+
+TIP: Lists can be indented. Leading whitespace is not significant.
+```
+
+### Text Formatting
+
+**Constrained (applied at word boundaries)**
+
+```asciidoc
+*strong importance* (aka bold)
+_stress emphasis_ (aka italic)
+`monospaced` (aka typewriter text)
+"`double`" and '`single`' typographic quotes
++passthrough text+ (substitutions disabled)
+`+literal text+` (monospaced with substitutions disabled)
+```
+
+**Unconstrained (applied anywhere)**
+
+```asciidoc
+**C**reate+**R**ead+**U**pdate+**D**elete
+fan__freakin__tastic
+``mono``culture
+```
+
+**Replacements**
+
+```asciidoc
+A long time ago in a galaxy far, far away...
+(C) 1976 Arty Artisan
+I believe I shall--no, actually I won't.
+```
+
+**Macros**
+
+```asciidoc
+// where c=specialchars, q=quotes, a=attributes, r=replacements, m=macros, p=post_replacements, etc.
+The European icon:flag[role=blue] is blue & contains pass:[************] arranged in a icon:circle-o[role=yellow].
+The pass:c[->] operator is often referred to as the stabby lambda.
+Since `pass:[++]` has strong priority in AsciiDoc, you can rewrite pass:c,a,r[C++ => C{pp}].
+// activate stem support by adding `:stem:` to the document header
+stem:[sqrt(4) = 2]
+```
+
+### Attributes
+
+```asciidoc
+// define attributes in the document header
+:name: value
+```
+
+```asciidoc
+:url-gem: https://rubygems.org/gems/asciidoctor
+
+You can download and install Asciidoctor {asciidoctor-version} from {url-gem}.
+C{pp} is not required, only Ruby.
+Use a leading backslash to output a word enclosed in curly braces, like \{name}.
+```
+
+### Links
+
+```asciidoc
+https://example.org/page[A webpage]
+link:../path/to/file.txt[A local file]
+xref:document.adoc[A sibling document]
+mailto:hello@example.org[Email to say hello!]
+```
+
+### Anchors
+
+```asciidoc
+[[idname,reference text]]
+// or written using normal block attributes as `[#idname,reftext=reference text]`
+A paragraph (or any block) with an anchor (aka ID) and reftext.
+
+See <<idname>> or <<idname,optional text of internal link>>.
+
+xref:document.adoc#idname[Jumps to anchor in another document].
+
+This paragraph has a footnote.footnote:[This is the text of the footnote.]
+```
+
+### Lists
+
+#### Unordered
+
+```asciidoc
+* level 1
+** level 2
+*** level 3
+**** level 4
+***** etc.
+* back at level 1
++
+Attach a block or paragraph to a list item using a list continuation (which you can enclose in an open block).
+
+.Some Authors
+[circle]
+- Edgar Allen Poe
+- Sheri S. Tepper
+- Bill Bryson
+```
+
+#### Ordered
+
+```asciidoc
+. Step 1
+. Step 2
+.. Step 2a
+.. Step 2b
+. Step 3
+
+.Remember your Roman numerals?
+[upperroman]
+. is one
+. is two
+. is three
+```
+
+#### Checklist
+
+```asciidoc
+* [x] checked
+* [ ] not checked
+```
+#### Callout
+
+```asciidoc
+// enable callout bubbles by adding `:icons: font` to the document header
+[,ruby]
+----
+puts 'Hello, World!' # <1>
+----
+<1> Prints `Hello, World!` to the console.
+```
+
+#### Description
+
+```asciidoc
+first term:: description of first term
+second term::
+description of second term
+```
+### Document Structure
+
+#### Header
+
+```asciidoc
+= Document Title
+Author Name <author@example.org>
+v1.0, 2019-01-01
+```
+#### Sections
+
+```asciidoc
+= Document Title (Level 0)
+== Level 1
+=== Level 2
+==== Level 3
+===== Level 4
+====== Level 5
+== Back at Level 1
+```
+
+#### Includes
+
+```asciidoc
+include::basics.adoc[]
+
+// define -a allow-uri-read to allow content to be read from URI
+include::https://example.org/installation.adoc[]
+```
+### Blocks
+
+```asciidoc
+--
+open - a general-purpose content wrapper; useful for enclosing content to attach to a list item
+--
+```
+
+```asciidoc
+// recognized types include CAUTION, IMPORTANT, NOTE, TIP, and WARNING
+// enable admonition icons by setting `:icons: font` in the document header
+[NOTE]
+====
+admonition - a notice for the reader, ranging in severity from a tip to an alert
+====
+```
+
+```asciidoc
+====
+example - a demonstration of the concept being documented
+====
+```
+
+```asciidoc
+.Toggle Me
+[%collapsible]
+====
+collapsible - these details are revealed by clicking the title
+====
+```
+
+```asciidoc
+****
+sidebar - auxiliary content that can be read independently of the main content
+****
+```
+
+```asciidoc
+....
+literal - an exhibit that features program output
+....
+```
+
+```asciidoc
+----
+listing - an exhibit that features program input, source code, or the contents of a file
+----
+```
+
+```asciidoc
+[,language]
+----
+source - a listing that is embellished with (colorized) syntax highlighting
+----
+```
+
+```asciidoc
+\```language
+fenced code - a shorthand syntax for the source block
+\```
+```
+
+```asciidoc
+[,attribution,citetitle]
+____
+quote - a quotation or excerpt; attribution with title of source are optional
+____
+```
+
+```asciidoc
+[verse,attribution,citetitle]
+____
+verse - a literary excerpt, often a poem; attribution with title of source are optional
+____
+```
+
+```asciidoc
+++++
+pass - content passed directly to the output document; often raw HTML
+++++
+```
+
+```asciidoc
+// activate stem support by adding `:stem:` to the document header
+[stem]
+++++
+x = y^2
+++++
+```
+
+```asciidoc
+////
+comment - content which is not included in the output document
+////
+```
+
+### Tables
+
+```asciidoc
+.Table Attributes
+[cols=>1h;2d,width=50%,frame=topbot]
+|===
+| Attribute Name | Values
+
+| options
+| header,footer,autowidth
+
+| cols
+| colspec[;colspec;...]
+
+| grid
+| all \| cols \| rows \| none
+
+| frame
+| all \| sides \| topbot \| none
+
+| stripes
+| all \| even \| odd \| none
+
+| width
+| (0%..100%)
+
+| format
+| psv {vbar} csv {vbar} dsv
+|===
+```
+
+### Multimedia
+
+```asciidoc
+image::screenshot.png[block image,800,450]
+
+Press image:reload.svg[reload,16,opts=interactive] to reload the page.
+
+video::movie.mp4[width=640,start=60,end=140,options=autoplay]
+
+video::aHjpOzsQ9YI[youtube]
+
+video::300817511[vimeo]
+```
+
+### Breaks
+
+```asciidoc
+// thematic break (aka horizontal rule)
+---
+```
+
+```asciidoc
+// page break
+<<<
+```
+