K 10
svn:author
V 5
steve
K 8
svn:date
V 27
1996-11-03T16:18:58.000000Z
K 7
svn:log
V 224
Ok, instead of covering up the problem, let's fix it.
Reinstate the ability to use directories as input files
and make dc print an error message when trying to
lookup/set the value of an invalid register.

Suggested by: bde

END