The conversion from html to markdown is done by a wonderful pandoc utility.
Maybe do two passes - first get the basic contents, then view and fix the links and the layout.
index.shtml -> index.mdwn
netikette.shtml -> netikette.mdwn
irc.shtml -> irc.mdwn
medlemskab.shtml -> medlemskab.mdwn
mailing-list.dk.shtml -> mailing-list.mdwn
postarkiv.shtml -> postarkiv.mdwn
bestyrelsen.shtml -> bestyrelsen.mdwn
aktiviteter.shtml -> aktiviteter.mdwn (embeds google cal)
afh_aktiviteter.shtml -> afh_aktiviteter.mdwn
vedtaegter.shtml -> vedtaegter.mdwn
nyhedsbreve.shtml -> nyhedsbreve.mdwn (tricky, lots of static files)
links.shtml -> links.mdwn
vejledninger.shtml -> vejledninger.mdwn
boganmeldelser.shtml -> boganmeldelser.mdwn (large)polyteknisk.shtml -> polyteknisk.mdwn (tricky, a webform)
FAQ: migrate to main site
en/index.shtml -> en.mdwn
style the site similar to the current one
make english sidebar work on english pages
that only admins can edit almost all the pages
that only logged in users can edit the FAQ