http://bugzilla.opensuse.org/show_bug.cgi?id=986534 http://bugzilla.opensuse.org/show_bug.cgi?id=986534#c4 Richard Russon <rich@flatcap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rich@flatcap.org --- Comment #4 from Richard Russon <rich@flatcap.org> --- Hi Libor, I'm Rich/FlatCap, the NeoMutt maintainer. Thanks for the detailed bug report, it's very helpful. Looking through the backtrace and code, there's only one line that it could be: when NotMuch tries to write its Tags. Please can you run mutt with debugging enabled (level 2 should be enough) and post the contents of ~/.muttdebug0 mutt -d 2 In the debugging, I'm hoping to see something like ... nm: new tags: 'Inbox, !"$!£$!5$$ (garbage) ... -- You are receiving this mail because: You are on the CC list for the bug.