+ * htmltidy: Pass --markup yes, in case tidy's config file disabled it.
+ * external: Add getargv and setargv methods to allow access to ikiwiki's
+ @ARGV.
+ * Correct bug in encoding of %pagestate keys, fixes edittemplate.
+ * Detect invalid pagespecs and do not merge them in add_depends,
+ as that can result in a broken merged pagespec that matches nothing.