From: Matthijs Kooijman <matthijs@stdin.nl>
Date: Mon, 4 Jan 2010 20:06:20 +0000 (+0100)
Subject: Only interpolate action tag content when defined.
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fupstream%2Fblosxom-plugins.git;a=commitdiff_plain;h=refs%2Fheads%2Finterpolate_fancy

Only interpolate action tag content when defined.

This fixes a warning when using self-closing action tags.
---

diff --git a/general/interpolate_fancy b/general/interpolate_fancy
index 45208d2..9eaf045 100644
--- a/general/interpolate_fancy
+++ b/general/interpolate_fancy
@@ -176,7 +176,9 @@ sub _action {
   my($plugin, $action, $attr, $content) = @_;
   my $result;
 
-  $content =~ s#<\@((?:\w|::)+?)\.(\w+?)\s+?(.+?)?(?:>(.*?)<\/\@\1\.\2>|\s+?\/>)#&interpolate_fancy::_action($1,$2,$3,$4)#gse;
+  if (defined $content) {
+    $content =~ s#<\@((?:\w|::)+?)\.(\w+?)\s+?(.+?)?(?:>(.*?)<\/\@\1\.\2>|\s+?\/>)#&interpolate_fancy::_action($1,$2,$3,$4)#gse;
+  }
 
   my $attributes = interpolate_fancy::_attributes($attr);