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<title>Filenames for TeX fonts</title>
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<p>
Node: <a name="Filenames%20for%20fonts">Filenames for fonts</a>,
Next: <a rel="next" accesskey="n" href="Long-names.html#Long%20names">Long names</a>,
Previous: <a rel="previous" accesskey="p" href="Introduction.html#Introduction">Introduction</a>,
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<h2 class="chapter">Filenames for fonts</h2>
<p>We must limit ourselves to eight character names, for compatibility with
DOS filesystems and the ISO 9660 standard used for CD-ROM distribution.
Names may consist of only the letters (monocase a-z), numerals (0-9),
and underscore.
<p>Here is the basic division of the eight characters (the spaces here are
merely for readability):
<pre class="example"> <var>S</var> <var>TT</var> <var>W</var> [<var>V<small class="dots">...</small></var>] [<var>N</var>] [<var>E</var>] [<var>DD</var>]
</pre>
<p>where
<dl>
<dt><var>S</var>
<dd>represents the supplier of the font.
<br><dt><var>TT</var>
<dd>represents the typeface name.
<br><dt><var>W</var>
<dd>represents the weight.
<br><dt><var>V<small class="dots">...</small></var>
<dd>represents the variant(s), and is omitted if both it and the width are
normal. Many fonts have more than one variant.
<br><dt><var>N</var>
<dd>represents the encoding, and is omitted if the encoding is nonstandard.
Encodings are subsumed in the section on variants (see <a href="Variants.html#Variants">Variants</a>).
<br><dt><var>E</var>
<dd>represents the width ("expansion"), and is omitted if
it is normal.
<br><dt><var>DD</var>
<dd>represents the design size (in decimal), and is omitted if the font is
linearly scaled. Mittelbach in <cite>TUGboat</cite> 13(1) proposes using
hexadecimal or base-36 notation. I don't think the increased range
makes up for the unreadability of the common sizes (e.g., 10pt
fonts would have a suffix <code>a</code> (in hex), or <code>j</code> (in base 36)).
</dl>
<p>The weight, variants, and width are probably all best taken from the
original name of the font, instead of trying to relate them to some
external standard.
<ul class="menu">
<li><a accesskey="1" href="Suppliers.html#Suppliers">Suppliers</a>:
<li><a accesskey="2" href="Typefaces.html#Typefaces">Typefaces</a>:
<li><a accesskey="3" href="Weights.html#Weights">Weights</a>:
<li><a accesskey="4" href="Variants.html#Variants">Variants</a>:
<li><a accesskey="5" href="Widths.html#Widths">Widths</a>:
</ul>
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