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[docs] Describe buffer context applicability more explicitly 

Make it abundantly clear that the context's script etc. don't matter.

Fixes https://github.com/harfbuzz/harfbuzz/issues/2730
This commit is contained in:
Oleg Oshmyan 2020-10-24 21:58:02 +03:00
parent 69cc214c9a
commit 07961daed0
1 changed files with 5 additions and 3 deletions
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8
docs/usermanual-buffers-language-script-and-direction.xml
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@ -136,10 +136,12 @@
determine which glyph to return. determine which glyph to return.
</para> </para>
<para> <para>
The safest approach is to add all of the text available, then The safest approach is to add all of the text available (even
use <parameter>item_offset</parameter> and if your text contains a mix of scripts, directions, languages
and fonts), then use <parameter>item_offset</parameter> and
<parameter>item_length</parameter> to indicate which characters you <parameter>item_length</parameter> to indicate which characters you
want shaped, so that HarfBuzz has access to any context. want shaped (which must all have the same script, direction,
language and font), so that HarfBuzz has access to any context.
</para> </para>
<para> <para>
You can also add Unicode code points directly with You can also add Unicode code points directly with