-[[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).
+[[cpan HTML::Parser]], [[cpan HTML::Template]], and [[cpan HTML::Scrubber]]
+perl modules be installed.
+
+It also uses the following perl modules if available: [[cpan
+CGI::Session]], [[cpan CGI::FormBuilder]] (version 3.05 or newer), [[cpan
+Mail::Sendmail]], [[cpan TimeDate]], [[cpan RPC::XML]],
+[[cpan XML::Simple]], [[cpan XML::Feed]], [[cpan File::MimeInfo]],
+[[cpan Locale::gettext]] (version 1.04 or newer).
+
+It's recommended you have a C compiler, as ikiwiki uses one to build
+wrappers.
+
+Various [[plugins]] use other libraries and utlities; see their individual
+documentation for details.
+
+The Debian packages depend on and recommend an appropriate set of packages.