LinkVariables

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$WikiWordCountMax
The maximum number of times to convert each WikiWord encountered on a page. Defaults to 1,000,000. Common settings for this variable are zero (disable WikiWord links) and one (convert only the first occurrence of each WikiWord).

$WikiWordCountMax = 0; # disable WikiWord links $WikiWordCountMax = 1; # convert only first WikiWord

$WikiWordCount
An array that allows the number of WikiWord conversions to be set on a per-WikiWord basis. The default is to use $WikiWordCountMax unless a value is set in this array. By default PmWiki sets $WikiWordCount['PmWiki']=1 to limit the number of conversions of "PmWiki".

$WikiWordCount['PhD']=0; # Don't convert "PhD" $WikiWordCount['WikiWord']=5; # Convert WikiWord 5 times # the following lines keep a page from linking to itself $title = FmtPageName('$Title_',$pagename); $WikiWordCount[$title]=0;

$PagePathFmt
DocumentationToDo. But look at Cookbook:PagePaths for some ideas.
$LinkPageExistsFmt
The (HTML) string to output for links to already existing wiki pages. Defaults to

<a class='wikilink' href='\$LinkUrl'>\$LinkText</a>

$LinkPageCreateFmt
The (HTML) string to output for links to non-existent wiki pages. The default is to add a '?' after the link text with a link to the page edit/create form. Defaults to

<a class='createlinktext' href='\$PageUrl?action=edit'>\$LinkText</a> <a class='createlink' href='\$PageUrl?action=edit'>?</a>

$LinkPageCreateSpaceFmt
Same as $LinkPageCreateFmt, but used when the link text has a space in it.
$LinkPageSelfFmt
The (HTML) string to output for self-referencing links (i.e. links to the page itself). Defaults to

<a class='selflink' href='\$LinkUrl'>\$LinkText</a>

$UrlLinkFmt
The (HTML) string to output for URL-links that begin with 'http:', 'ftp:', etc. Defaults to

<a class='urllink' href='\$LinkUrl'>\$LinkText</a>

$IMapLinkFmt
an array of link formats for various link "schemes". Not set as default.
Examples of custom formats to allow different styling via classes:
Links to http: standard url links:

$IMapLinkFmt['http:'] = "<a class='httplink urllink' href='\$LinkUrl'>\$LinkText</a>";

Links to https: secure pages:

$IMapLinkFmt['https:'] = "<a class='httpslink urllink' href='\$LinkUrl'>\$LinkText</a>";

Links to PmWiki: InterMap shortcut:

$IMapLinkFmt['PmWiki:'] = "<a class='pmwikilink urllink' href='\$LinkUrl'>\$LinkText</a>";

Links to Cookbook: InterMap shortcut

$IMapLinkFmt['Cookbook:'] = "<a class='cookbooklink urllink' href='\$LinkUrl'>\$LinkText</a>";

$InterMapFiles
An array consisting a list of files and pages containing InterMap entries to be loaded (see CustomInterMap).
$MakePageNameFunction
Name of a custom function to replace MakePageName(), which converts strings into valid page names.
$MakePageNamePatterns
$MakePageNamePatterns is an array of regular expression replacements that is used to map the page link in a free link such as [[free link]] into a page name. Currently the default sequence is: 
    "/'/" => '',                           # strip single-quotes
    "/[^$PageNameChars]+/" => ' ',         # convert non-alnums to spaces
    "/((^|[^-\\w])\\w)/e" 
      => "strtoupper('$1')",               # initial caps after spaces
    "/ /" => ''                            # strip spaces