My field-etc branch in git://git.pseudorandom.co.uk/git/smcv/ikiwiki.git (gitweb:
http://git.pseudorandom.co.uk/smcv/ikiwiki.git?a=shortlog;h=refs/heads/field-etc)
has some fixes for compatibility with old YAML modules, mostly done by imitating
Joey's code in IkiWiki::Setup::Yaml. Please consider merging :-) --[[smcv]]