-Ikiwiki requires [[MarkDown]] be installed, and also uses the following
-perl modules if available: `CGI::Session` `CGI::FormBuilder` (version
-3.02.02 or newer) `HTML::Template` `Mail::SendMail` `Time::Duration`
-`Date::Parse` (libtimedate-perl), `HTML::Scrubber`, `RPC::XML`,
-`XML::Simple`, `XML::Feed`, `HTML::Parser`
+Ikiwiki is a perl program, and needs a recent version of perl such as
+5.8.8. (5.8.0 has been reported not to work).
+
+Ikiwiki requires the [[cpan Text::Markdown]], [[cpan URI]],
+[[cpan HTML::Parser]], and [[cpan HTML::Template]] perl modules be
+installed, and also uses the following perl modules if available:
+[[cpan CGI::Session]], [[cpan CGI::FormBuilder]] (version 3.05 or newer),
+[[cpan Mail::Sendmail]], [[cpan Time::Duration]], [[cpan TimeDate]],
+[[cpan HTML::Scrubber]], [[cpan RPC::XML]], [[cpan XML::Simple]],
+[[cpan XML::Feed]], [[cpan File::MimeInfo]], [[cpan Locale::gettext]]
+(version 1.04 or newer).
+
+The [[tla]] support also needs the [[cpan MailTools]] perl module.
+
+Various [[plugins]] use other libraries and utlities; see their individual
+documentation for details.