From 3c5dedf60d772dae5b733b5e96dfe0a72bfac39c Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Sat, 24 May 2014 11:29:52 +0200
Subject: [PATCH] Prevent font error when no preferred cmap table is found
 (workaround for issue 4800)

---
 src/core/fonts.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/core/fonts.js b/src/core/fonts.js
index 205fc95c4..1e18e23ad 100644
--- a/src/core/fonts.js
+++ b/src/core/fonts.js
@@ -2971,7 +2971,12 @@ var Font = (function FontClosure() {
 
         if (!potentialTable) {
           warn('Could not find a preferred cmap table.');
-          return [];
+          return {
+            platformId: -1,
+            encodingId: -1,
+            mappings: [],
+            hasShortCmap: false
+          };
         }
 
         font.pos = start + potentialTable.offset;