From: Matthijs Kooijman <matthijs@stdin.nl>
Date: Mon, 4 Jan 2010 19:47:12 +0000 (+0100)
Subject: Use empty string instead of undef in substitution.
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fupstream%2Fblosxom-plugins.git;a=commitdiff_plain;h=5576fc5d9d408be336cbd4d17b05f1d3612da9f0

Use empty string instead of undef in substitution.

This silences a warning.
---

diff --git a/general/interpolate_fancy b/general/interpolate_fancy
index 4f5b6eb..c455769 100644
--- a/general/interpolate_fancy
+++ b/general/interpolate_fancy
@@ -134,7 +134,7 @@ sub do_interpolate {
     # Variable expansion (unconditional, recursive)
     #
     # e.g. <$var />
-    while( $template =~ s/<\$([a-zA-Z?]\w+(?:::\w+)*)\s+?\/>/"defined \$$1 ? \$$1 : undef"/gsee ) { }
+    while( $template =~ s/<\$([a-zA-Z?]\w+(?:::\w+)*)\s+?\/>/"defined \$$1 ? \$$1 : ''"/gsee ) { }
 
     #
     # Actions