[tex-k] The dvitype utility can't dump XDV files
peb at mppmu.mpg.de
Thu Oct 14 15:32:04 CEST 2010
On Thu, 14 Oct 2010, Peter Dyballa wrote:
> Am 13.10.2010 um 16:56 schrieb Peter Breitenlohner:
>> ... As a prerequisite one would need a very
>> precise description of the XDV format.
> It must be in xetex.ch. There the changed DVI type ID is documented ? at the
> beginning of almost 10,000 lines. ...
It is, but unfortunately not "very precise".
Apart from a somewhat sloppy notation in xetex.ch where, e.g., l.3614
\yskip\hang|pic_file| 251 flags t p len path[l]
ought to read
\yskip\hang|pic_file| 251 flags t p len path[len]
and moreover t should probably be specified either as six 4-Byte or as
four 6-Byte quantities
the description (A) of |define_native_font| (252) in xetex.ch is not
consistent with the implementation (B) in XeTeX_ext.c.
A&B: if flags & COLORED => additional fields
A&B: if flags & VARIATIONS => additional fields
A: if flags & MATRIX => additional fields
B: if flags & EXTEND => additional field
B: if flags & SLANT => additional field
B: if flags & EMBOLDEN => additional field
It may well be that all these are hardly ever used, but...
Peter Breitenlohner <peb at mppmu.mpg.de>
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