Index: share/html/Elements/CollectionAsTable/ParseFormat
===================================================================
--- share/html/Elements/CollectionAsTable/ParseFormat	(revision 6284)
+++ share/html/Elements/CollectionAsTable/ParseFormat	(working copy)
@@ -77,6 +77,9 @@
     if ( $col =~ s!/ALIGN:([^\/]+)!!io ) {
         $colref->{'align'} = $1;
     }
+    if ( $col =~ s!/SPAN:([^\/]+)!!io ) {
+        $colref->{'span'} = $1;
+    }
     if ( $col =~ /__(.*?)__/io ) {
         my @subcols;
         while ( $col =~ s/^(.*?)__(.*?)__//o ) {
Index: share/html/Elements/CollectionAsTable/Row
===================================================================
--- share/html/Elements/CollectionAsTable/Row	(revision 6284)
+++ share/html/Elements/CollectionAsTable/Row	(working copy)
@@ -76,13 +76,15 @@
         next;
     }
 
-    $item++;
     my $class = $column->{class} ? encode_entities( $column->{class}, q{'"&<>} ) : 'collection-as-table';
     $m->out(qq{<td class="$class" });
 
     my $align = $column->{align};
     my $style = $column->{style};
+    my $span  = $column->{span};
 
+    $item += ($span || 1);
+
     my @out;
     foreach my $subcol ( @{ $column->{output} } ) {
         unless ( $subcol =~ /^__(.*?)__$/ ) {
@@ -131,6 +133,7 @@
     }
     $m->out( 'align="' . $align . '"' ) if $align;
     $m->out( 'style="' . $style . '"' ) if $style;
+    $m->out( 'colspan="' . $span . '"' ) if $span;
     $m->out('>');
     $m->out(@out) if @out;
     $m->out( '</td>' . "\n" );
Index: share/html/Elements/CollectionAsTable/Header
===================================================================
--- share/html/Elements/CollectionAsTable/Header	(revision 6284)
+++ share/html/Elements/CollectionAsTable/Header	(working copy)
@@ -87,9 +87,12 @@
         next;
     }
 
-    $item++;
+    my $span = $col->{'span'};
+    $item += ($span || 1);
 
-    $m->out('<th class="collection-as-table">');
+    $m->out('<th class="collection-as-table"');
+    $m->out(' colspan="' . $span . '"') if $span;
+    $m->out('>');
 
     $title =~ s/^__(.*)__$/$1/o;
     my $tmp = $m->comp( '/Elements/ColumnMap',