From 7bbb2f9403e9f78bf0fda5fe1706ec8b261c2cc0 Mon Sep 17 00:00:00 2001
From: Lee Bousfield <ljbousfield@gmail.com>
Date: Thu, 4 Feb 2016 09:48:23 -0700
Subject: [PATCH] Ignore blank lines (previously caused a warning)

Bug: T125800
Change-Id: I54c320079ca787f977f02ed26092da86dba22dcd
---
 TitleBlacklist.list.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/TitleBlacklist.list.php b/TitleBlacklist.list.php
index 1c1a8950..dd1f59bc 100644
--- a/TitleBlacklist.list.php
+++ b/TitleBlacklist.list.php
@@ -464,6 +464,10 @@ class TitleBlacklistEntry {
 		// Strip comments
 		$line = preg_replace( "/^\\s*([^#]*)\\s*((.*)?)$/", "\\1", $line );
 		$line = trim( $line );
+		// A blank string causes problems later on
+		if ( $line === '' ) {
+			return null;
+		}
 		// Parse the rest of message
 		$pockets = [];
 		if ( !preg_match( '/^(.*?)(\s*<([^<>]*)>)?$/', $line, $pockets ) ) {