K 10
svn:author
V 4
grog
K 8
svn:date
V 27
2007-12-30T22:02:50.000000Z
K 7
svn:log
V 198
If we can't open a calendar file, don't guess why.  Check the error
return and print a useful message.

Prior to this commit, access problems could give rise to messages that
the file didn't exist.

END