Formatting Code
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The following markup will display text and code in the wiki.
Unformatted Text
The  <nowiki>  tag will produce unformatted text on the page.
 <nowiki>  tags stop parsing of wiki markup, except HTML characters (e.g., for special characters). 
<nowiki> <Map><br>IDName = "Akka" OSMFile = "Akka.xml"/><br> </nowiki>
The above code produces the following result on the page:
  <Map><br>IDName = "Akka" OSMFile = "Akka.xml" /><br> 
Unformatted Text Block
The <pre> tag will produce unformatted text block on the page. The <pre> tag stop parsing of all wiki and html markup, except HTML characters (e.g., for special characters).
<pre> <u><b> External links </b></u> * https://en.wikipedia.org/wiki/Template:Col-break/examples * https://en.wikipedia.org/wiki/Help:Columns ''End'' </pre>
The above code produces the following result on the page:
<u><b> External links </b></u> * https://en.wikipedia.org/wiki/Template:Col-break/examples * https://en.wikipedia.org/wiki/Help:Columns ''End''
Text Block
A text block that performe wiki and html formatting can be created when the text lines starts with a space in the first column. The block will be maintained as long as the first column is a space.
This text is in a text block. Text in a text <big>'''Block'''</big> can be formatted with normal <u>wiki markup</u>. C<sup>3</sup>Fire https://www.mediawiki.org
The above code produces the following result on the page:
This text is in a text block. Text in a text Block can be formatted with normal wiki markup. C3Fire https://www.mediawiki.org
One line code
The <code> tag will produce a line of code text in a small area on the page.
<code> LatitudeNorth = "67.728190" </code>
The above code produces the following result on the page:
 LatitudeNorth = "67.728190" 
The  <nowiki>  tag will produce a line of code
where  no wiki syntax processing are done.
<nowiki> no ''markup'' </nowiki>
The above code produces the following result on the page:
no ''markup''
Multiple lines of code
The <source> tag will produce multiple lines of code text in an area on the page.
 <source>
 <Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LongitudeEast = "18.178253" />
</source>
The above code produces the following result on the page:
<Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LongitudeEast = "18.178253" />
Syntax Highlighting
The <syntaxhighlight> tag will produce multiple lines of source code with syntax highlight text in an area on the page.
<syntaxhighlight lang="xml">
<Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LatitudeSouth = "67.421200"
      LongitudeEast = "18.178253"
      LongitudeWest = "16.747284"
      Comment = "Where I want to be"
      OSMFile = "Akka-OSM.xml" />
</syntaxhighlight>
The above code produces the following result on the page:
<Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LatitudeSouth = "67.421200"
      LongitudeEast = "18.178253"
      LongitudeWest = "16.747284"
      Comment = "Where I want to be"
      OSMFile = "Akka-OSM.xml" />
Source code of various programming and markup languages can be formatted using source element, which leads to colored syntax of the code.
Line
The line attribute enables line numbers.
<syntaxhighlight lang="xml" line>
<Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LatitudeSouth = "67.421200"
      LongitudeEast = "18.178253"
      LongitudeWest = "16.747284"
      Comment = "Where I want to be"
      OSMFile = "Akka-OSM.xml" />
</syntaxhighlight>
The above code produces the following result on the page:
1<Map
2      IDName = "Akka" 
3      LatitudeNorth = "67.728190"
4      LatitudeSouth = "67.421200"
5      LongitudeEast = "18.178253"
6      LongitudeWest = "16.747284"
7      Comment = "Where I want to be"
8      OSMFile = "Akka-OSM.xml" />
Start
The start attribute (in combination with line) defines the first line number of the code block. For example, line start="55" will make line numbering start at 55.
<syntaxhighlight lang="xml" line start="55">
<Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LatitudeSouth = "67.421200"
      LongitudeEast = "18.178253"
      LongitudeWest = "16.747284"
      Comment = "Where I want to be"
      OSMFile = "Akka-OSM.xml" />
</syntaxhighlight>
The above code produces the following result on the page:
55<Map
56      IDName = "Akka" 
57      LatitudeNorth = "67.728190"
58      LatitudeSouth = "67.421200"
59      LongitudeEast = "18.178253"
60      LongitudeWest = "16.747284"
61      Comment = "Where I want to be"
62      OSMFile = "Akka-OSM.xml" />
Highlight
The highlight attribute specifies one or more lines that should be marked (by highlighting those lines with a different background color). You can specify multiple line numbers separated by commas (for example, highlight="1,4,8") or ranges using two line numbers and a hyphen (for example, highlight="5-7").
<syntaxhighlight lang="xml" line start="55" highlight="1,3-6">
<Map
      IDName = "Akka" 
      LatitudeNorth = "67.728190"
      LatitudeSouth = "67.421200"
      LongitudeEast = "18.178253"
      LongitudeWest = "16.747284"
      Comment = "Where I want to be"
      OSMFile = "Akka-OSM.xml" />
</syntaxhighlight>
The above code produces the following result on the page:
55<Map
56      IDName = "Akka" 
57      LatitudeNorth = "67.728190"
58      LatitudeSouth = "67.421200"
59      LongitudeEast = "18.178253"
60      LongitudeWest = "16.747284"
61      Comment = "Where I want to be"
62      OSMFile = "Akka-OSM.xml" />
References
https://en.wikibooks.org/wiki/MediaWiki_User_Guide/Text_Formatting
https://www.mediawiki.org/wiki/Help:Formatting
https://en.wikipedia.org/wiki/Help:Wiki_markup
https://www.mediawiki.org/wiki/Extension:SyntaxHighlight
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