From: Peter Constable (petercon@microsoft.com)
Date: Tue Jul 12 2005 - 10:18:10 CDT
From: unicode-bounce@unicode.org [mailto:unicode-bounce@unicode.org] On Behalf Of Chetan Pandey
>The Font I have specified is "Western".
I'm not familiar with this font, so I can repro your results or determine for certain the cause of your results.
>Other character with "\0307" : Besides 'm' I am also using
>'n'. And just realized it is also giving me a problem with
>'n' showing isnide a box.
>
>Other character with "\0304" : 'a', 'i', 'u', 'r', 'l' and
>ofcourse 'n'. And I just realized that all consonants have
>this problem. That is a,i,u are showing fine but r and l
>show within a box and n shows as n(emoty box).
Note that the shaping engine will use glyphs for pre-composed Latin characters, if they are supported in the font. Thus, since < a, U+0304 > is canonically equivalent to U+0101, if the font supports U+0101, then the text < a, U+0304 > will actually be displayed with the glyph for U+0101 (without relying on substitutions in OpenType tables). Since there are precomposed characters for a-macron, i-macron and u-macron but not for r-macron or l-macron, that could account in part for your results: if the font supports those precomposed characters but does not properly support the combining marks, that would account for those results.
Peter Constable
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