Microsoft Typography | Developer information | Specifications | OpenType font development
Mongolian OpenType Specification | Terms | Shaping | Features | Other | Appendix


Other encoding issues


Handling invalid combining marks

need info for this section


Recommended Glyphs

Please note that to render the Mongolian letter 'Ali Gali Dagalga' (U+18A9) in standalone form (in apparent isolation from any base) one should apply it on a space (see section 2.5 'Combining Marks' of Unicode Standard 3.1). The shaping engine requires a ZWJ to be placed between the space and a mark for them to combine into a standalone sign.

Unicode code points that are strongly recommended for inclusion in any Mongolian font are:

Code point Description
U+180B Mongolian Free Variation Selector One
U+180C Mongolian Free Variation Selector Two
U+180D Mongolian Free Variation Selector Three
U+180E Mongolian Vowel Separator
U+200C Zero Width Non-Joiner
U+200D Zero Width Joiner
U+202F Narrow No-Break Space


Except for the No-Break Space and the Mongolian Vowel Separator (U+202F & U+180E), the above glyphs have no visual appearance.



this page was last updated 25 March 2002
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Mongolian OpenType Specification | Terms | Shaping | Features | Other | Appendix
Microsoft Typography | Developer information | Specifications | OpenType font development