[interchange] Prevent parser from eating false values in tag body (#341).

[Stefan Hornburg]

commit 50a0ce89f889e764fbeed4ff6a647e353e8b9484
Author: Stefan Hornburg (Racke) <racke at linuxia.de>
Date:   Tue Aug 31 18:16:41 2010 +0200

    Prevent parser from eating false values in tag body (#341).

 lib/Vend/Parse.pm |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/Vend/Parse.pm b/lib/Vend/Parse.pm
index 4d4efa9..c43d9f8 100644
--- a/lib/Vend/Parse.pm
+++ b/lib/Vend/Parse.pm
@@ -482,7 +482,7 @@ sub resolve_args {
 	}
 	@list = @{$ref}{@{$Order{$tag}}};
 	push @list, $ref if defined $addAttr{$tag};
-	push @list, (shift || $ref->{body} || '') if $hasEndTag{$tag};
+	push @list, (shift || (defined $ref->{body} ? $ref->{body} : '')) if $hasEndTag{$tag};
 	return @list;
 }