Pull request from entrez: X11's get-extended-command widget
allocated 1 extra byte for a couple of end-or-array terminators
and then wrote more than 1 byte to them when initializing its list
of extended commands.
Fixes #884
end-of-game prompting, prompting would stall until that window was
manually dismissed
X11: set all selectable menu lines to the same length, left justified
+X11: initializing the get-extended-command widget modified memory beyond what
+ it dynamically allocated
General New Features