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WikiFormatting

Wiki markup is a core feature in Trac, tightly integrating all the other parts of Trac into a flexible and powerful whole.

Trac has a built in small and powerful wiki rendering engine. This wiki engine implements an ever growing subset of the commands from other popular Wikis, especially MoinMoin.

This page demonstrates the formatting syntax available anywhere WikiFormatting is allowed.

Font styles

The Trac wiki supports the following font styles:

 * '''bold'''
 * ''italic''
 * '''''bold italic'''''
 * __underline__
 * {{{monospace}}} or `monospace`
 * ~~strike-through~~
 * ^superscript^ 
 * ,,subscript,,.

Display:

  • bold
  • italic
  • bold italic
  • underline
  • monospace or monospace
  • strike-through
  • superscript
  • subscript.

Heading

You can create heading by starting a line with one up to five equal "=" characters followed by a single space and the headline text. The line should end with a space followed by the same number of equal characters.

Example:

= Heading =
== Subheading ==
=== About ''this'' ===

Display:

Heading

Subheading

About this

Paragraphs

A new text paragraph is created whenever two blocks of text are separated by one or more empty lines.

A forced line break can also be inserted, using:

Line 1[[BR]]Line 2

Display:

Line 1
Line 2

Text paragraphs can be indented by starting the lines with two or more spaces.

Lists

The wiki supports both ordered/numbered and unordered lists. There must be a space preceding the star "*" or number "1.", or nothing will happen.

Example:

 * Item 1
   * Item 1.1
 * Item 2

 1. Item 1
   1. Item 1.1
 1. Item 2

Display:

  • Item 1
    • Item 1.1
  • Item 2
  1. Item 1
    1. Item 1.1
  2. Item 2

Definition lists

The wiki also supports definition lists.

Example:

 llama::
   some kind of mammal, with hair
 ppython::
   some kind of reptile, without hair
   (can you spot the typo?)

Display:

llama
some kind of mammal, with hair
ppython
some kind of reptile, without hair (can you spot the typo?)

Note that you need a space in front of the defined term.

Preformatted text

Block quotes, preformatted text, are suitable for source code snippets, notes and examples. Use three curly braces wrapped around the text to define a block quote. Example:

 {{{
  def HelloWorld()
      print "Hello World"
 }}}

Display:

 def HelloWorld()
     print "Hello World"

Tables

Simple tables can be created like this:

||Cell 1||Cell 2||Cell 3||
||Cell 4||Cell 5||Cell 6||

Display:

Cell 1Cell 2Cell 3
Cell 4Cell 5Cell 6

Note that more complex tables can be created using reStructuredText.

Hyperlinks are automatically created for WikiPageNames and urls. WikiPageLinks can be disabled by prepending an exclamation mark "!" character, such as !WikiPageLink.

Example:

 TitleIndex, http://www.edgewall.com/, !NotAlink

Display:

TitleIndex, http://www.edgewall.com/, NotAlink

Links can be given a more descriptive title by writing the link followed by a space and a title and all this inside square brackets. If the descriptive title is omitted, then the explicit prefix is disguarded, unless the link is an external link. This can be useful for wiki pages not adhering to the WikiPageNames convention.

Like this:

 * [http://www.edgewall.com/ Edgewall Software]
 * [wiki:TitleIndex Title Index]
 * [wiki:ISO9000]

Display:

Wiki pages can link directly to other parts of the Trac system. Pages can refer to tickets, reports, changesets, milestones, source files and other Wiki pages using the following notation:

 * Tickets: #1 or ticket:1
 * Reports: {1} or report:1
 * Changesets: r1, [1] or changeset:1
 * Revision Logs: r1:3, [1:3] or log:branches/0.9-stable#1:3
 * Wiki pages: CamelCase or wiki:CamelCase
 * Milestones: milestone:1.0 or milestone:"End-of-days Release"
 * Files: source:trunk/COPYING
 * A specific file revision: source:/trunk/COPYING#200
 * A filename with embedded space: source:"/trunk/README FIRST"

Display:

See TracLinks for more in-depth information.

Escaping Links and WikiPageNames

You may avoid making hyperlinks out of TracLinks by preceding an expression with a single "!" (exclamation mark).

 !NoHyperLink
 !#42 is not a link

Display:

NoHyperLink #42 is not a link

Images

Urls ending with .png, .gif or .jpg are automatically interpreted as image links, and converted to <img> tags.

Example:

http://www.edgewall.com/gfx/trac_example_image.png

Display:

http://www.edgewall.com/gfx/trac_example_image.png

Macros

Macros are custom functions to insert dynamic content in a page. See WikiMacros for usage.

Example:

 [[Timestamp]]

Display:

Sat Sep 23 07:10:21 2017

Processors

Trac supports alternative markup formats using WikiProcessors. For example, processors are used to write pages in reStructuredText or HTML.

See WikiProcessors for more information.

Example 1:

{{{
#!html
<h1 style="text-align: right; color: blue">HTML Test</h1>
}}}

Display:

HTML Test

Example 2:

{{{
#!python
class Test:
    def __init__(self):
        print "Hello World"
if __name__ == '__main__':
   Test()
}}}

Display:

class Test:
    def __init__(self):
        print "Hello World"
if __name__ == '__main__':
   Test()

Miscellaneous

Four or more dashes will be replaced by a horizontal line (<HR>)

Example:

 ----

Display:



See also: TracLinks, TracGuide, WikiHtml, WikiMacros, WikiProcessors, TracSyntaxColoring.