> > 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 <e...@phear.org> 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 > > >