On 17.09.17 04:19, Yubin Ruan wrote:
> Hi,
> How to identify collapsed threads that have unread/new mails inside?
> I want to assign some color to those that so that it can be distinguished, but
> currently I know no expression to express a "collapsed thread that has
> unread/new mails inside".

The 'n' immediately after the message number indicates new mail in a
collapsed thread. If colour is needed too, then a regex detecting that
will probably be required.

However, I have for a long time settled for:

set collapse_unread=no

in .muttrc, keeping such threads uncollapsed. It saves both time and
labour, since it's not necessary to manually uncollapse the thread to
see what is unread in there.

Erik

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