Edit Book: Change the recommended mimetype for ttf/otf files to appli…

…cation/font-sfnt for EPUB 3.1 documents
kovidgoyal · Jun 30, 2016 · 86f1145 · 86f1145
1 parent 6bb8a2e
commit 86f1145
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/calibre/ebooks/oeb/polish/container.py b/src/calibre/ebooks/oeb/polish/container.py
@@ -125,6 +125,8 @@ def guess_type(self, name):
         ans = guess_type(name)
         if ans == 'text/html':
             ans = 'application/xhtml+xml'
+        if ans in {'application/x-font-truetype', 'application/vnd.ms-opentype'} and self.opf_version_parsed[:2] > (3, 0):
+            return 'application/font-sfnt'
         return ans
 
     def decode(self, data, normalize_to_nfc=True):