- ** ``$$strict_threads'' unset. In that case, it changes the heuristic
- ** Mutt-ng uses to thread messages by subject. With sort_re set, Mutt-ng will
- ** only attach a message as the child of another message by subject if
- ** the subject of the child message starts with a substring matching the
- ** setting of ``$$reply_regexp''. With sort_re unset, Mutt-ng will attach
- ** the message whether or not this is the case, as long as the
- ** non-``$$reply_regexp'' parts of both messages are identical.
+ ** ``$$strict_threads'' \fIunset\fP. In that case, it changes the heuristic
+ ** Mutt-ng uses to thread messages by subject. With $$sort_re \fIset\fP,
+ ** Mutt-ng will only attach a message as the child of another message by
+ ** subject if the subject of the child message starts with a substring
+ ** matching the setting of ``$$reply_regexp''. With $$sort_re \fIunset\fP,
+ ** Mutt-ng will attach the message whether or not this is the case,
+ ** as long as the non-``$$reply_regexp'' parts of both messages are identical.