--- nfo/perl/libs/Data/Mungle/Compare/Struct.pm	2003/03/27 15:17:05	1.5
+++ nfo/perl/libs/Data/Mungle/Compare/Struct.pm	2004/07/07 03:13:43	1.7
@@ -1,7 +1,14 @@
 ##    --------------------------------------------------------------------------------
-##    $Id: Struct.pm,v 1.5 2003/03/27 15:17:05 joko Exp $
+##    $Id: Struct.pm,v 1.7 2004/07/07 03:13:43 joko Exp $
 ##    --------------------------------------------------------------------------------
 ##    $Log: Struct.pm,v $
+##    Revision 1.7  2004/07/07 03:13:43  joko
+##    minor fix for "sub isEmpty"
+##
+##    Revision 1.6  2004/05/12 13:53:19  jonen
+##    + bugfix related to declaration of arrays,
+##        solved error: 'Bizarre copy of ARRAY in aassign at...'
+##
 ##    Revision 1.5  2003/03/27 15:17:05  joko
 ##    namespace fixes for Data::Mungle::*
 ##
@@ -41,7 +48,17 @@
   my @a = @{$a_ref};
   my @b = @{$b_ref};
 
-  my @isect = my @diff = my @union = ();
+  # BUGFIX 2004-05-12: following declaration of arrays occures an strange perl error:
+  # 'Bizarre copy of ARRAY in aassign at ..<PATH_TO>/<THIS_FILE> line <NEXT LINE>' 
+  # (at PERL 5.8.4, Debian/unstable/experimental)
+  #
+  #my @isect = my @diff = my @union = ();
+  #
+  # so use normal declaration instead!!
+  my @isect = ();
+  my @diff = ();
+  my @union = ();
+
   my $e;
   my %count;
   
@@ -142,9 +159,10 @@
     return $empty;
     #return 0;
   
-  } else {
+  # check for empty string
+  } elsif (defined $var) {
     $found = 1;
-    return 0 if defined $var;
+    return 0 if $var ne '';
   }
   
   if (!$found) {