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http://www.openoffice.org/issues/show_bug.cgi?id=20370





------- Additional comments from sergey_...@openoffice.org Thu Oct  1 16:05:44 
+0000 2009 -------
(excume me for my bad English)

MS Word XP suggests several symbol sets for embedding.
AFAIK user can embed:
- nothing
- all
- all without system fonts 
- all used symbols
- all used symbols without system fonts.

I suggest other variant as main for OpenOffice:
- all used Unicode blocks.

You can see what is Unicode block with "gucharmap" program under GNU/Linux for
example (you will need select "View"->"By Unicode Block" in menu).

If we will embed all symbols then document size can be too big.
If we will embed just used symbols then we will have problems with editing
document in future. For example, some rare symbol from national alphabet or
mathematical symbols that needed for editing can be lost.

Embedding Unicode blocks is compromise between document size and symbols that
will be available in the future.
Please imagine that we write some mathematical document on Russian language. It
will contain all symbols from Russian alphabet, some latin symbols, some greek
symbols, some punctuation symbols and some math symbols.
Unicode blocks for embedding can be follows:
- Basic Latin
- Latin-1 Supplement
- Greek and Coptic
- Cyrillic
- General Punctuation
- Arrows
- Mathematical Operators
- Supplemental Mathematical Operators

Document size will not be very big. If we will edit this document in the future
then it is high possibility that all symbols that we will need are already
embedded in document. For example, we will able to change "≠" to "≢" even if "≢"
was not used in original document. And we will able use "γ" even if original
document used only "α" and "β".



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