Need to support at least a few other character sets such as ISO-8859-15

[acli]

Otherwise some real posts, e.g. on fr.lettres.langue.francaise, will come up as mojibake

[acli]

Commit 1fbeab9 is a step forward (maybe) but it’s too hackish and probably unsafe.

[acli]

As of commit 689cefa this is pretty much done, though safety is probably still a concern.