<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
<div class="moz-cite-prefix">On 08/06/2022 09:55, Ulrike Fischer
wrote:<br>
</div>
<blockquote type="cite" cite="mid:1nhbh79npw1ux.dlg@nililand.de">
<pre class="moz-quote-pre" wrap="">Sorry but I think it is one of the nice features of a modern tex
system that it creates tfm or pk fonts on the fly. </pre>
</blockquote>
That's fine; we can agree to differ on such philosophical points.<br>
<blockquote type="cite" cite="mid:1nhbh79npw1ux.dlg@nililand.de">
<pre class="moz-quote-pre" wrap="">xetex is doing that internally too for your open type fonts: it is
still tex and needs tfm files. </pre>
</blockquote>
Does it ? Are you absolutely certain ?<br>
<blockquote type="cite" cite="mid:1nhbh79npw1ux.dlg@nililand.de">
<pre class="moz-quote-pre" wrap="">Do you want to miss that feature and
have to prepare the tfm files your self before using a font?</pre>
</blockquote>
It it does, then no, I am happy for it to do that, but I was unaware
that it does.<br>
<blockquote type="cite" cite="mid:1nhbh79npw1ux.dlg@nililand.de">
<pre class="moz-quote-pre" wrap="">XeTeX doesn't fallback. It uses the fonts that your format and your
code tells it to use. If you prefer to use unicode math fonts, here
is a receipt what you have to change in plain for this:
<a class="moz-txt-link-freetext" href="https://tex.stackexchange.com/q/308749/2388">https://tex.stackexchange.com/q/308749/2388</a></pre>
</blockquote>
<p>By "fall back", I meant "use Computer Modern for maths if Ihave
failed to declate my own maths fonts". But thank you for the
recipe — much appreciated.</p>
<p>Incidentally, I now see that I can use the following
successfully, which makes it far easier to integrate the desired
functionality into TeXwords —</p>
<p>
<blockquote type="cite"><tt>D:\ XeTeX -no-mktex=TFM \input
Font-error<br>
This is XeTeX, Version 3.141592653-2.6-0.999994 (TeX Live
2022) (preloaded format=xetex)<br>
restricted \write18 enabled.<br>
entering extended mode<br>
(./Font-error.tex [1] [2] [3] [4] [5] [6] [7] [8] [9]<br>
! Font \fnf= not loadable: Metric (TFM) file or installed font
not found.<br>
<to be read again><br>
\font<br>
l.441 \font \fnf = \font<br>
\fb "Gill Sans MT" scaled 455<br>
? s<br>
OK, entering \scrollmode...<br>
[10] [11] [12] )<br>
(see the transcript file for additional information)<br>
Output written on Font-error.pdf (12 pages).<br>
Transcript written on Font-error.log.</tt></blockquote>
-- <br>
<i>** Phil.</i><br>
</p>
</body>
</html>