Re: interaction of Arabic ligatures with vowel marks

2013-06-12 Thread Khaled Hosny
On Tue, Jun 11, 2013 at 08:09:31PM -0700, Stephan Stiller wrote: Hi, How is the placement of vowel marks around ligatures handled in Arabic text? OpenType has special support for placing non combining marks over ligatures (a subset of the general support for controlling the placement of

Re: interaction of Arabic ligatures with vowel marks

2013-06-12 Thread Richard Wordingham
On Tue, 11 Jun 2013 20:09:31 -0700 Stephan Stiller stephan.stil...@gmail.com wrote: Hi, How is the placement of vowel marks around ligatures handled in Arabic text? For OpenType the clue lies in the three types of GPOS (http://www.microsoft.com/typography/otspec/gpos.htm) lookup for marks -

Re: interaction of Arabic ligatures with vowel marks

2013-06-12 Thread Stephan Stiller
Thank you, خالد and Richard. there is only one Indic mark I can think of for which the issue of component association arises, and that is the nukta That is good to know, given the complexity of the Indic scripts. Other thoughts: * One could simply break up Arabic ligatures in need of

Re: interaction of Arabic ligatures with vowel marks

2013-06-12 Thread Andreas Prilop
On Tue, 11 Jun 2013, Stephan Stiller wrote: How is the placement of vowel marks around ligatures handled in Arabic text? I'm also wondering how font designers normally handle this. Older fonts in older operating systems (like Windows XP) often failed. See

Re: interaction of Arabic ligatures with vowel marks

2013-06-12 Thread Andreas Prilop
On Wed, 12 Jun 2013, Richard Wordingham wrote: While the same principle applies to Indic scripts (and indeed, to the Roman alphabet), there is only one Indic mark I can think of for which the issue of component association arises, and that is the nukta. Sanskrit requires candrabindu U+0901

New Full Member

2013-06-12 Thread Ellen Mastros
Unicode is proud to welcome the Ministry of Endowments and Religious Affairs of the Sultanate of Oman who just joined the Consortium at the Full member level. The Ministry will be represented by Thomas Milo (Decotype), tm...@decotype.com. Ellen Mastros Office Manager Unicode Inc. P.O. Box 391476