Word 2007 embedded font

From: Raymond Mercier (rm459@cam.ac.uk)
Date: Thu Jan 11 2007 - 12:12:13 CST

I apologize for an off topic question, but it is in the hope that someone
from Microsoft will help. If not about Unicode, it is at least about fonts.
In the new Word 2007, when fonts are embedded, the list of fonts in
fontTable.xml includes a fontkey for each embedded font. Besides, when the
Word document, with the extension .docx, is unzipped, it includes also the
embedded font with the extension .odttf, which is copied to the hard disk.
Having examined this in a byte editor it is obvious to me that the fontKey
can be applied to this .odttf file to convert it to a normal .ttf font file.
Now, I just want to know how exactly this key operates on the first 32 bytes
of the .odttf file. Would someone from Microsoft please tell me?
Regards, Raymond Mercier

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