depthcharge was: Ignoring pdftex primitives

[Hans Hagen]

Taco Hoekwater wrote:

> you need three \noexpands because TeX is looking for three keywords in
> a loop that does not end until all three keyword searches return
> "false". You won't need more \noexpands until TeX can do typesetting
> in 3-d or colored rules, I guess. But for other images you need less:
> 
> "widthcharge.png" needs only 1 \noexpand, "heightcharge.png" needs 2
> (but more \noexpands don't do any harm). "./heightcharge.png" needs
> none, of course, but that's not portable across filesystems.

Hm, but how come then that one can give 10 depth specs in a row? So how
about? 

\pdfimage width 1cm height 1cm width 1cm width 3cm depthfile.png

Fuzzy internals indeed. (although sometime one can abuse them) 

Hans

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