--- rxvt-unicode/src/perl/keysym-list	2011/12/02 09:13:50	1.1
+++ rxvt-unicode/src/perl/keysym-list	2012/09/21 22:55:56	1.4
@@ -1,21 +1,37 @@
 #! perl
 
+=head1 NAME
+
+keysym-list - implement the "list" keysym expansion.
+
+=head1 SYNOPSIS
+
+   urxvt -pe keysym-list
+
+=head1 DESCRIPTION
+
+The "list" keysym expansion was formerly part od the rxvt-unicode core,
+and has been moved into this extension for backwards compatibility. You
+shouldn't use this extension except for compatibility with old
+configurations.
+
+=cut
+
+
 sub on_register_command {
-    my ($self, $keysym, $state, $str) = @_;
+   my ($self, $keysym, $state, $str) = @_;
+
+   if ($str =~ /^list(.)/) {
+      my @list = split /\Q$1/, $str;
+      if (@list == 3 or @list == 4) {
+         $self->register_command ($keysym++, $state, "$list[1]$_$list[3]")
+            for split //, $list[2];
 
-    if ($str =~ /^list(.)/) {
-    	my @list = split /\Q$1/, $str;
-    	if (@list == 4) {
-    	    for (0 .. (length $list[2]) - 1) {
-    		my $middle = substr $list[2], $_, 1;
-    		my $def = $list[1] . $middle . $list[3];
-    		$self->register_command ($keysym + $_, $state, $def);
-    	    }
-    	    return 1;
-    	}
+         return 1;
+      }
 
-	warn "unable to parse keysym '$str' as list, processing as normal keysym\n";
-    }
+      warn "unable to parse keysym '$str' as list, processing as normal keysym\n";
+   }
 
-    ()
+   ()
 }