K 10
svn:author
V 8
rnordier
K 8
svn:date
V 27
1998-10-29T11:39:39.000000Z
K 7
svn:log
V 180
The man page implies that the string argument to psignal() may be
NULL, in line with perror(3).  However, the code presently checks only
for a zero-length string.  Check for both.

END