Hi,
I updated my working copy of GNUMail to pick up the changes mentioned. But
the problem still persists. Below is the output of the gdb session after the
update. As you can see the check for NSNotFound is being made.
(gdb) run
Starting program: /home/dlsa/code/GNUMail-svn/GNUMail.app/GNUMail
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
2018-01-08 22:27:26.698 GNUMail[29634:29634] styleoffsets ... guessing offsets
2018-01-08 22:27:26.699 GNUMail[29634:29634] styleoffsets ... guessing offsets
Breakpoint 1, +[Utilities folderNodesFromFolders:separator:] (self=<optimized out>,
_cmd=<optimized out>, theFolders=0x555555e085c0,
theSeparator=<optimized out>) at Utilities.m:581
warning: Source file is more recent than executable.