On Sun, Apr 23, 2023 at 11:21:19PM +0200, Björn Persson wrote: > Kevin Fenzi wrote: > > One bug I hit setting this up this weekend... some (but not all) of the > > categories appear to have newlines in the List-ID: header. ;( > > > > ie, > > > > List-ID: Fedora Discussion | Ask Fedora Ask in English > > <ask-in-english.ask-fedora.discussion.fedoraproject.org> > > > > Hopefully this is a bug that can be fixed... > > > > So the above won't really work as the MATCH doesn't include the second > > line with the actual listid in it, only the description. ;( > > I think you'll have to blame Procmail for that. What you show is called > folding in RFC 5322. It's valid syntax if the continuation line begins > with whitespace, which it looks like it does. Folding is even > recommended for lines longer than 78 characters. Programs that parse > email are supposed to unfold folded lines. > > The complexities of text-based protocols provide for so much fun! Indeed. Actually procmail matches on it fine, but it doesn't include the part after the newline in $MATCH, which makes it harder to parse out the second part if you want to use that to filter into a maildir with that name. :( I can work around it, it just seems... unexpected and I wanted to mention it in case others were going down that path. kevin
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