Add changes to the installation manual for Windows users from K1XX

[spider.git] / perl / DXUtil.pm

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index fc7cd024d7737a96326f8a4a69316069b8c696f4..e497a6e9df6c2febbca7c1aa3354ef2e234f7d11 100644 (file)
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -17,7 +17,7 @@ use strict;
 
 use vars qw($VERSION $BRANCH);
 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
+$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
 $main::build += $VERSION;
 $main::branch += $BRANCH;
 
@@ -346,8 +346,9 @@ sub is_callsign
 # check that a PC protocol field is valid text
 sub is_pctext
 {
+       return undef unless length $_[0];
        return undef if $_[0] =~ /[\x00-\x08\x0a-\x1f\x80-\x9f]/;
-       return $_[0];
+       return 1;
 }
 
 # check that a PC prot flag is fairly valid (doesn't check the difference between 1/0 and */-)