Hartmut Henkel wrote:
On Mon, 13 Nov 2006, Werner LEMBERG wrote:
Problem now is that latex and dvipdfmx work, but pdflatex doesn't.
And the PDF documents in all other languages are made with pdflatex.
Strange thing as well is that it worked before with CJK v4.5.2.
Apparently, you've found a fatal bug in pdftex. I was able to reduce
it to the attached document. Using the TeXLive SVN from today (which
contains pdfeTeX 3.141592-1.30.4-2.2), the first run of
pdflatex zzzz.tex
works fine, but a second run crashes with
! pdfTeX error (arithmetic): divided by zero.
This is on a GNU/Linux box, BTW.
problem appears when font bsmiu59 is called, which happens to be font
no. 256 in the 2nd run. Font size for this font is set to 717619. But
then in pdf_begin_string() the value pdf_font_size[f] is zero, so the
s := divide_scaled(cur_delta_h - pdf_delta_h, pdf_font_size[f], 3);
crashes. It has nothing to do with this particular font, but it seems
that pdftex can't handle more than 255 fonts, so that some wraparound
seems to happen and there is no catch for this condition.
Obvious questions are: Does pdftex have this 255 limitation? Can this be
extended? Or should pdftex quit with the remark that it can't handle
this? Is this really the first time that somebody requests more than 255
fonts?
this limitation sounds strange to me and i consider it to be a bug; just jump the max to 4K or so
Hans
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