+>>>>> ikiwiki already has a $config{locale}, which is a full locale (ie,
+>>>>> "en_US.UTF-8". This just needs to be parsed for the lang. --[[Joey]]
+
+>>>>>> My mistake, I meant $config{locale} --[[NicolasLimare]]
+
+> So the patch below could be changed to parse `$config{locale}` for the
+> language, and pass it if no specific lang was set for the page. The only
+> problem with that would be that this is all done inside the meta plugin,
+> so if that plugin were disabled, the lang would be empty. To avoid that,
+> I guess that the template needs to look like:
+
+ <html xmlns="http://www.w3.org/1999/xhtml"
+ <TMPL_IF NAME="LANG">lang="<TMPL_VAR LANG>" xml:lang="<TMPL_VAR LANG>"</TMPL_IF>>
+
+> Now it just needs to be finished up.. --[[Joey]]
+