diff --git a/TODO b/TODO
index 2e51672..c41703e 100644
--- a/TODO
+++ b/TODO
@@ -1,13 +1,7 @@
-scale
-
 ttfautohint
 
 multi font in the same line (IE)
 
-intermediate asc/des
-
-fix auto hint
-
 bug found in baidu(ubuntu...), bug_chn
 
 precise link dest
diff --git a/src/HTMLRenderer/text.cc b/src/HTMLRenderer/text.cc
index 9b46c3b..d533c51 100644
--- a/src/HTMLRenderer/text.cc
+++ b/src/HTMLRenderer/text.cc
@@ -413,7 +413,7 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
     if(param->external_hint_tool != "")
     {
         rename(fn.c_str(), tmp_fn.c_str());
-        if(system((char*)str_fmt("%s %s %s", param->external_hint_tool.c_str(), tmp_fn.c_str(), fn.c_str())) != 0)
+        if(system((char*)str_fmt("%s \"%s\" \"%s\"", param->external_hint_tool.c_str(), tmp_fn.c_str(), fn.c_str())) != 0)
         {
             rename(tmp_fn.c_str(), fn.c_str());
         }