From b8547a918aca510518e28f2d3a383c0be227fdbe Mon Sep 17 00:00:00 2001
From: Graham Knop <graham@plainblack.com>
Date: Wed, 17 Sep 2008 15:37:51 +0000
Subject: [PATCH] silence some warnings

---
 lib/WebGUI/Macro.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/WebGUI/Macro.pm b/lib/WebGUI/Macro.pm
index 2d19b67f0..46a98dd6c 100644
--- a/lib/WebGUI/Macro.pm
+++ b/lib/WebGUI/Macro.pm
@@ -115,6 +115,7 @@ A scalar reference of HTML to be processed.
 sub process {
     my $session = shift;
     my $content = shift;
+    return '' if !defined $content;
     our $macrodepth ||= 0;
     local $macrodepth = $macrodepth + 1;
     ${ $content } =~ s{$macro_re}{