From 12f2b974457857f1287b1e2c1c9e15c79a9c361c Mon Sep 17 00:00:00 2001
From: Lu Wang <coolwanglu@gmail.com>
Date: Sat, 4 May 2013 23:09:49 +0800
Subject: [PATCH] fix space width for IE

---
 src/HTMLRenderer/font.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/HTMLRenderer/font.cc b/src/HTMLRenderer/font.cc
index ccd74ce..f13fac6 100644
--- a/src/HTMLRenderer/font.cc
+++ b/src/HTMLRenderer/font.cc
@@ -493,6 +493,19 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
             }
         }
 
+        if(info.space_width == 0)
+        {
+            /*
+             * Internet Explorer will ignore `word-spacing` if
+             * the width of the 'space' glyph is 0
+             *
+             * usually the em_size is 1000 or 2048,
+             * and space_width==0 often means no spaces are used in the PDF
+             * so setting it to be 1 should be safe
+             */
+            info.space_width = 1;
+        }
+
         if(ctu)
             ctu->decRefCnt();
     }