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http://www.openoffice.org/issues/show_bug.cgi?id=51436





------- Additional comments from [EMAIL PROTECTED] Sat Jul  2 01:23:10 -0700 
2005 -------
What you see in the example is normal behaviour in the font.

In Khmer script, if a consonant is followed by other consonants (as in the word
STRA), the 2nd and 3rd consonants are written as subscripts of the first one,
some vowels cann also be written below. Khmer can have up to three lines of
writing below the normal writing line (and one or two above). In order to
accomodate that, the height of the font is much higher, and within this height,
English characters included in the font are aligned with the base line of 
writing.

When you align Khmer text to the lower part of the box, it will be higher that a
purely Latin font, and when you align to the top, it will probably be lower,
because of the upper space needed.

The problem seems to be that Calc is not taking the real height of the font for
Optimal Heigh, but a standard height based on the number of points in which it
is displayed.

12 points for Khmer takes much more than 12 points for Latin. It is not only the
case of Khmer. This problem exists for many Indian and South East Indian
languages that require a larger height for the same reason (all the scripts
derive from the same place).

We could have done Khmer smaller, so that at 12 points all lines of writing took
the same vertical space as a capital Latin letter, but, then when a text is
written mixing English and Khmer (quite usual), either English is too big or
Khmer unreadable. Such fonts cannot be used in localisation processes.

Khmer OS System has been especially developed to use the least possible vertical
space for Khmer (even cutting text sometimes), but even then it will not fit
into the space for a 12 point Latin font.

Please see attached example of mixing Latin and Khmer scripts.

Desirable behaviour would be that the Optimal Row heigh adapts to the fonts
declared height.





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