On Wed, 14 Jun 2006, Stephen Thorne wrote:

> On 6/14/06, Trent Piepho <xyzzy at speakeasy.org> wrote:
> > p_mapchars isn't a string, it's just two characters with no null termination.
> > You can't print it with %s.
> You can't? A quick grep in the source shows 58 occurances of printing
> p_mapchars with %s.

All bugs.  Look at struct.h:
./struct.h:    char p_mapchars[2];              /* Cache for map window image */