Merge pull request #440 from ryho/master

Remove font warning from Apple Numbers

file_test.go

@@ -570,7 +570,7 @@ func (l *FileSuite) TestMarshalFile(c *C) {
         <a:font script="Geor" typeface="Sylfaen"/>
       </a:majorFont>
       <a:minorFont>
-        <a:latin typeface="Calibri"/>
+        <a:latin typeface="Arial"/>
         <a:ea typeface=""/>
         <a:cs typeface=""/>
         <a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/>

templates.go

@@ -97,7 +97,7 @@ const TEMPLATE_XL_THEME_THEME = `<?xml version="1.0" encoding="UTF-8" standalone
         <a:font script="Geor" typeface="Sylfaen"/>
       </a:majorFont>
       <a:minorFont>
-        <a:latin typeface="Calibri"/>
+        <a:latin typeface="Arial"/>
         <a:ea typeface=""/>
         <a:cs typeface=""/>
         <a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/>