World Carfree Network

$DefaultGroup: WikiGroup used by default (on startup) when no group is specified in the URL.
$DefaultName: Name of the default HomePage of each WikiGroup. Used when the group doesn't have a page with the same name as the group.
$DefaultPage: Startup page when PmWiki is called without a page specified, normally $DefaultGroup.$DefaultName
$SiteGroup: Default group for storing configuration and utility pages such as Site.Search, Site.EditForm, Site.PageNotFound, etc.
$SpaceWikiWords: If set, then WikiWords in pages are automatically spaced according to $AsSpacedFunction. Note that this value can also be affected by the (:spacewikiwords:) and (:nospacewikiwords:) directives.

        $SpaceWikiWords = 1;          # turn on WikiWord spacing
        $SpaceWikiWords = 0;          # turn off WikiWord spacing

$LinkWikiWords: If set, then bare WikiWords in a page are automatically linked to pages of the same name. Note that this value can also be affected by the (:linkwikiwords:) and (:nolinkwikiwords:) directives.

        $LinkWikiWords = 1;           # turn on WikiWord links
        $LinkWikiWords = 0;           # disable WikiWord links

$AsSpacedFunction: The name of the function used to convert WikiWords into normal, spaced strings. Defaults to 'AsSpaced'.

        $AsSpacedFunction = 'MyAsSpaced';

$EnablePGCust: Allows/disables per-page and per-group customizations. Can be set to zero in any local customization file to prevent remaining page/group customizations from being loaded.

        $EnablePGCust=0;              # turn off per-page/group configs

$GroupPattern: The regular expression pattern used for valid WikiGroup name specifications. Defaults to allowing any group name beginning with an uppercase letter, but can be set to limit the valid group names (see Cookbook:LimitWikiGroups).

        # limit groups to Main, PmWiki, and MyGroup
        $GroupPattern = '(?:Main|PmWiki|MyGroup)';

$NamePattern: The regular expression pattern used for valid page names. Defaults to allowing pages beginning with an uppercase letter or digit, followed by sequences of alphanumeric characters, hyphens, and underscores.
$WikiWordPattern: The pattern that describes a WikiWord.