# How to use txfont in plain TeX

I'm trying to insert one font from txfont package in my plain TeX file, but I cannot understand some aspects of this font distribution.

The font I would use is the txmi1; so, how can TeX use this font? The distribution gives only its tfm file, and there is no pfb file related to it. The only pfb files I can use are the txmia and rtxmi ones, in which the slots for the lowercase letters (a,b,...,z) are empty. Thus, even if I write the simpliest line `\font\aaa=txmi1` and then, for istance, `{\aaa fghi}`, the output is empty.

The documentation of the txfont package (page 28 in the a4 form) shows how the txmi1 exists and in LaTeX can be used, but I cannot understand how to use it in plain TeX.

• I have to add an important note: TeX gives no output, and dvips gives an error too, but if I compile with pdftex no errors appear, and even the font is shown. – Martino Jul 14 '15 at 14:42
• If you get errors you should place the exact errors from the log in a `{}` block in the question. – David Carlisle Jul 14 '15 at 14:55

It's a virtual font (`.vf`) but should work just as a normal font:

``````\font\zz=txmi1

abc [{\zz abc} ]

\bye
``````

The font should be

``````\$ kpsewhich txmi1.vf
/usr/local/texlive/2015/texmf-dist/fonts/vf/public/txfonts/txmi1.vf
``````
• Is that command that gives me no output. Is it possible that dvips gives trouble? – Martino Jul 14 '15 at 14:08
• @Lorenzo works for me with pdftex and tex/dvips/ps2pdf. You presumably don't have all the font installed, or the map entry for dvips or .... You should get a warning from tex or dvips or ps2pdf or something if the fonts do not appear at the end/ – David Carlisle Jul 14 '15 at 14:53
• Whoever downvoted, why? I can't even guess? – David Carlisle Jul 14 '15 at 15:18
• That's right, my dvi viewer shows a warning. About the font installation, I'm sure I've installed all of those, even if I do not insert the fd files, which are required in LaTeX – Martino Jul 14 '15 at 15:23
• the warning is the following: C:\Program Files (x86)\MiKTeX 2.9\miktex\bin\dvips.exe: ! Couldn't find font file n021023l.pfb – Martino Jul 14 '15 at 16:09