From: Eric Wong <e@80x24.org>
Date: Wed, 19 Aug 2015 19:36:11 +0000 (+0000)
Subject: view: return empty string to avoid undefined values
X-Git-Tag: v1.0.0~1040
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=289778885f8155fbd05a54ed4a84aeb724e68b04;p=public-inbox.git

view: return empty string to avoid undefined values

Sometimes we have filter bugs and let HTML slip through...
---

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 5aab609d..b3545a4a 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -197,7 +197,7 @@ sub index_walk {
 	my $ct = $part->content_type;
 
 	# account for filter bugs...
-	return if defined $ct && $ct =~ m!\btext/[xh]+tml\b!i;
+	return '' if defined $ct && $ct =~ m!\btext/[xh]+tml\b!i;
 
 	my $enc = enc_for($ct, $enc_msg);