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Re: eqn sqrt and pdf?


From: John Gardner
Subject: Re: eqn sqrt and pdf?
Date: Sat, 22 Feb 2020 02:26:50 +1100

>
> symbol font is here as i read

 [output clipped]


I can confirm the PDF you've produced is correctly-formed; so this narrows
the problem down to a missing font (or misconfigured environment).

What program are you using to preview the PDF?

On Sat, 22 Feb 2020 at 01:52, Marc Chantreux <address@hidden> wrote:

> hello John and thanks for helping,
>
> On Fri, Feb 21, 2020 at 08:47:18PM +1100, John Gardner wrote:
> > Even without seeing the PDF output, I'd say you have one or more fonts
> > missing from your installation path. Do you have GhostScript installed?
>
>     $ aptitude search '~i ~n ghostscript' -F%p%v
>     ghostscript9.27~dfsg-2+deb10u3
>
> > Also, you can debug formatted output by calling groff with its -Z switch.
> > You should see something like this
>
> symbol font is here as i read
>
>     $ grep -H . math.me && eqn -Tpdf math.me |groff -Z -k -Tpdf
>
>     math.me:.EQ
>     math.me:sqrt a over sqrt c
>     math.me:.EN
>     math.me:.\" 1 + x + x sup 2 over 2 + x sup 3 over { 2 * 3 } ;
>     math.me:.\" a hat over c tilde ; bold a over bold c ;
>     x T pdf
>     x res 72000 1 1
>     x init
>     x F -
>     x F /usr/share/groff/1.22.4/tmac/eqnrc
>     x F math.me
>     p1
>     V18788
>     H72000
>     DFd
>     x font 11 S
>     f11
>     s10000
>     h1200
>     V13070
>     md
>     Csqrt
>     Cradicalex
>     h590
>     Cradicalex
>     x font 38 TI
>     f38
>     h5230
>     V11788
>     ta
>     f11
>     H73495
>     v15370
>     Csqrt
>     Cradicalex
>     f38
>     h5715
>     V25876
>     tc
>     H73200
>     V16188
>     Dl 5000 0
>     H74280
>     Dl 5000 0
>     Dl 5000 0
>     h1200
>     v2600
>     n18788 5250
>     x trailer
>     V792000
>     x stop
>
>
> > None that I know of, though it probably wouldn't be too difficult to
> smash
> > together a Perl script to preprocess TeX equations. I'd be interested in
> > knowing if any such preprocessor already exists, however.
>
> I found this:
>
>     https://dlmf.nist.gov/LaTeXML/
>
> which led me to this:
>
>
> https://github.com/brucemiller/LaTeXML/blob/master/lib/LaTeXML/MathGrammar
>
> i'll look at it later.
>
> regards
> marc
>
>
>


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