Hendrik Tews wrote: > For me the culprit was a spam message containing the ALARM CLOCK > sign in the subject. Gnus therefore crashed emacs when it tried > to display the summary line for that message.
FTR, I observe the same behavior with Wanderlust, not necessarily with ALARM CLOCK but any other unicode character that appears like image in the subject. Backtrace available at https://bugs.debian.org/887418