From a89cb5dd7ab81f89e4e9a88124f74d0bacc31331 Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Thu, 23 Aug 2012 22:36:39 -0500
Subject: [PATCH] Disables symbolic encoding for non-standard fonts

---
 src/evaluator.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/evaluator.js b/src/evaluator.js
index fe369db27..3a49c0305 100644
--- a/src/evaluator.js
+++ b/src/evaluator.js
@@ -574,8 +574,13 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
 
       var flags = properties.flags;
       var differences = [];
-      var baseEncoding = !!(flags & FontFlags.Symbolic) ?
-                         Encodings.symbolsEncoding : Encodings.StandardEncoding;
+      var baseEncoding = Encodings.StandardEncoding;
+      // The Symbolic attribute can be misused for regular fonts
+      // Heuristic: we have to check if the font is a standard one also
+      if (!!(flags & FontFlags.Symbolic)) {
+        baseEncoding = !properties.file ? Encodings.symbolsEncoding :
+                                          Encodings.MacRomanEncoding;
+      }
       var hasEncoding = dict.has('Encoding');
       if (hasEncoding) {
         var encoding = dict.get('Encoding');