1) Start joe
2) Type *x or -x (where x is any alphanumeric character)
3) Continue typing until the word wrap limit (e.g. just type xxxxx xxxxxx xxxxxx ...)
Joe crashes with
*** JOE was aborted by UNIX signal 6. Buffers saved in DEADJOE
Always reproducible. It will also crash if there are any number of spaces before the initial * or -
Using Joe 3.7, Ubuntu Jaunty packages.