To set many of the variables below specify them in config.php.

$EnableGUIButtons

When set to '1', turns on the graphical buttons in the "Edit Page" form.

$EnablePostAuthorRequired

When set to '1', posting of pages requires the author to provide an author name. Otherwise, authors can post without a name.

$EnableDrafts

When set to '1', enables the "Save draft" button and built-in handling of "draft" versions of pages, where:

1. initial "Save draft" of an existing page ("PageName") saves changes to a new name ("PageName-Draft")
2. subsequent attempts to edit PageName causes PageName-Draft to be edited
3. subsequent selections of "Save draft" cause PageName-Draft to be saved
4. pressing "Publish" causes PageName-Draft to be posted to PageName, and deleted.

$DraftSuffix

The suffix to use for draft versions of pages (default "-Draft").

$DiffKeepDays

The $DiffKeepDays variable sets the minimum length of time that a page's revision history is kept. By default it is set to 3650 days, or a little less than ten years. You can change this value in a customization file to be something smaller, e.g.:

Note that a specific page revision isn't removed from the page until the first edit after the time specified by $DiffKeepDays has elapsed. Thus, it's still possible for some pages to have revisions older than $DiffKeepDays -- such revisions will be removed the next time those pages are edited.

$DiffKeepNum

This variable contains the minimum number of changes to be kept in the page history, even if some of them are older than the limit defined by $DiffKeepDays. It prevents lost history of pages that are older, but have few changes.

$DeleteKeyPattern

The pattern used to determine if a page should be deleted. The default is to remove pages that contain only the single word "delete" (and optional spaces).

$EditTemplatesFmt

Name of the page (or an array of names) to be used as the default text for any newly created pages.

# Use 'Main.NewPageTemplate' as default text of all new pages
$EditTemplatesFmt = 'Main.NewPageTemplate';
# Use 'Template' in the current group for new pages
$EditTemplatesFmt = '$Group.Template';
# Use 'Template' in the current group if it exists, otherwise
# use 'Main.NewPageTemplate'
$EditTemplatesFmt = array('$Group.Template', 'Main.NewPageTemplate');

$AutoCreate

Used in conjunction with the AutoCreateTargets edit function, this array records any sets of pages which should be created automatically if they don't exist. The syntax is

$DefaultPageTextFmt

The text that should be displayed when browsing non-existent pages. As default PmWiki uses the contents of Site.PageNotFound

$EditFunctions

This array contains the sequence of functions that are called when a page is edited. It can be customized to provide additional functions to be called as part of the editing process. The standard setting is:

$EditFunctions = array('EditTemplate', 'RestorePage', 'ReplaceOnSave',
  'SaveAttributes', 'PostPage', 'PostRecentChanges', 'AutoCreateTargets', 'PreviewPage'); 

$ROEPatterns

With this array you can add a pattern as key and set a text value which replace it on every edit request, using preg_replace function. Specifically it is replaced when the page is loaded into the editform, whenever a preview is done, and when the page is saved (from PmWiki 2.2.0beta45). See Cookbook:ROEPatterns for examples.

$ROSPatterns

With this array you can add patterns as key and set a text value which will replace it when the edited page is posted (as signaled by $EnablePost). It is not replaced when the page is loaded into the editform nor when a preview is done, but it is replaced only when the page is saved. See Cookbook:ROSPatterns for examples.

$IsPagePosted

Set to a true value if the page is actually saved (e.g., this is used to tell the RecentChanges handlers if they need to update).

$PageEditFmt

By default, this is the HTML to be displayed for an edit form.

$PageEditForm

Specifies the edit form for ?action=edit. Defaults to '$SiteGroup.EditForm'.

$HandleEditFmt

Like $HandleBrowseFmt, this specifies the entire output format for ?action=edit for a page.

$EditRedirectFmt

The page to which an author is sent after pressing "Save" or "Cancel" from an edit form. Defaults to "$FullName", which sends the author to the page just edited, but can be changed to specify another page.

# redirect to Main.HomePage
$EditRedirectFmt = 'Main.HomePage';  
# redirect to HomePage of current group
$EditRedirectFmt = '{$Group}.HomePage';

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