From Annie Hall's GardenDesigns.com

This page is intended to describe features of Pm Wiki 1.0 that have been changed or eliminated in Pm Wiki 2.0. For now this page will be maintained as a simple list and will probably need some restructuring later.

Markup changes

• Double brackets are used for all links, including [[free links]]. Providing alternate text for a link is performed using either a vertical brace [[PageName | link text]] or an arrow [[link text -> PageName]]. See PmWiki.Links.
• So far, the ThisPage:, ThisGroup:, etc., Inter Map shortcuts are not defined. In fact, they may not be needed in Pm Wiki 2. If someone needs them, add an entry to PITS:NewIssue explaining why.
  
  Ok, so as an example, how next lines, which are in a sidebar, may be written in pmwiki2 ?
  *[[ThisPage:?action=upload Upload]]
  *[[ThisGroup:SideBar&action=edit Edit menu]]

Changes affecting skins

• $PageTemplateFmt is obsolete, but $PageTemplateFmt still works, and this may change yet again before the 2.0 official release. To use a different skin, you can use the $Skin variable ($Skin = 'skinname';) and just fill it with the name of the skin, it will assume it's in the pub/skins/[skinname] folder containing the [skinname].tmpl file.
• $HTMLTitleFmt no longer exists -- just place the <title> information directly into the template.
• In $...Fmt strings, $Title_ and $Title are currently represented by $Name. $Title is now used to refer to a page's title (which may be different from its name and could have different formatting, such as spaces).
• The css/stdlayout.css file no longer exists; Pm Wiki and other modules now place required formatting styles directly into the $HTMLStylesFmt array.
• $PageName is now $FullName. $PageName still functions but will be removed in the 2.0 official release.
• Searching now uses the q= variable to provide the text to be searched (formerly the search text went in the text= variable.

Other Customization Changes

• Pm Wiki 2 now uses session-based authentication by default. If you want to continue to use HTTP-Basic authentication, add the following line to config.php:

        include_once('scripts/httpauth.php');

• Disabling Wiki Words is now done by setting $LinkWikiWords . Previously this was controlled by $WikiWordCountMax .
• $HTMLLineBreak is now $HTMLPNewline. See Cookbook:Line Breaks.
• The skins system has been revised, and is now much more flexibly controlled by the $Skin and $ActionSkins variables. See PmWiki.Skins. But $PageTemplateFmt still works.
• The $BrowseReplacements, $DoubleBrackets, and $InlineReplacements arrays are no longer used -- see custom markup.
• ?action=post no longer exists -- posting a new page is now performed by using ?action=edit with the post control set to a true value.
• $WikiWordPagePathFmt is now $PagePathFmt, which is applied to all page links not qualified by a group.
• $WikiPageExistsFmt, $WikiPageCreateFmt, etc. are now $LinkPageExistsFmt, $LinkPageCreateFmt, etc.
• $DeleteKeyWord is now $DeleteKeyPattern.
• $GroupHeaderFmt and $GroupFooterFmt now specify the markup to be added to the beginning and end of each page, rather than the name of the page. The default settings of $GroupHeaderFmt and $GroupFooterFmt perform the equivalent of an (:include:) of the Group Header and GroupFooter pages.
• Pm Wiki's ReadPage() function no longer supplies default text for non-existent pages -- this is now decided by whatever functions need the page. (As of 2.0.devel9 the default text is still stored in $DefaultPageTextFmt, however.)
• $SearchExcludePatterns is now simply $SearchPatterns and can be chosen by the list= parameter to (:searchresults:) and (:pagelist:). See Cookbook:SearchResults.
• $EnablePerGroupCust is now $EnablePGCust.
• $TableCellAttr is now $TableCellAttrFmt.
• $Url is now $LinkUrl.

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