From 17ba5e3f68bd187a526c3ab11043c929ca69b0d5 Mon Sep 17 00:00:00 2001
From: notmasteryet <async.processingjs@yahoo.com>
Date: Sun, 2 Oct 2011 20:06:57 -0500
Subject: [PATCH] Add comment for type3 bypass

---
 pdf.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pdf.js b/pdf.js
index 4632ae942..80c7f7487 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4751,6 +4751,9 @@ var PartialEvaluator = (function partialEvaluator() {
       // This case is here for compatibility.
       var descriptor = xref.fetchIfRef(dict.get('FontDescriptor'));
       if (!descriptor) {
+        // Note for Type3 fonts: it has no no base font, feeding default
+        // font name and trying to get font metrics as the same way as for
+        // a font without descriptor.
         var baseFontName = dict.get('BaseFont') || new Name('sans-serif');
 
         // Using base font name as a font name.