added doc string for check_OS2_fsType
@@ -415,6 +415,9 @@ def check_font_has_post_table_version_2(fb, font):
def check_OS2_fsType(fb):
+ """Fonts must have their fsType bit set to 0. This setting is known as
+ Installable Embedding,
+ https://www.microsoft.com/typography/otspec/os2.htm#fst"""
fb.new_check("016", "Checking OS/2 fsType")
fb.assert_table_entry('OS/2', 'fsType', 0)
fb.log_results("OS/2 fsType is a legacy DRM-related field from the 80's"
