internal package Foswiki::Plugins::TWikiCompatibilityPlugin internal package Foswiki::Plugins::TWikiCompatibilityPlugin $topic - the name of the topic in the current CGI query
$web - the name of the web in the current CGI query
$user - the login name of the user
$installWeb - the name of the web the plugin is installed in
$text - the text that has just been rendered. May be modified in place.
$linkText - the text for the link i.e. for [[Link][blah blah]] it's blah blah, for BlahBlah it's BlahBlah, and for Blah Blah it's Blah Blah.
$hasExplicitLinkLabel - true if the link is of the form [[Link][blah blah]] (false if it's =[Blah]] or =BlahBlah)
$web, $topic - specify the topic being rendered