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<html lang="en">
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<title>Filenames for TeX fonts</title>
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<div class="node">
<p>
Node: <a name="Variants">Variants</a>,
Next: <a rel="next" accesskey="n" href="Widths.html#Widths">Widths</a>,
Previous: <a rel="previous" accesskey="p" href="Weights.html#Weights">Weights</a>,
Up: <a rel="up" accesskey="u" href="Filenames-for-fonts.html#Filenames%20for%20fonts">Filenames for fonts</a>
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<h3 class="section">Variants</h3>
<p><dfn>Variants</dfn> include typeface variations (e.g., italic, sans serif),
and font encodings (e.g., Adobe standard, TeX text).
<p>A fontname may require multiple variants. To resolve the worst
ambiguities, we specify that any encoding variant (<code>7</code>, <code>8</code>,
or <code>9</code>, see below) come last and any other numeral variant come
first (to avoid confusion with a design size). We recommend but do not
require that the other variants be given in alphabetical order. (It's
not required because it's too painful to implement the sorting in
TeX, and many existing names already have non-alphabetized variants.)
<p>The letterspacing possibilities introduced by <code>fontinst</code> and
virtual fonts have not yet become sufficiently widespread to make
standardization beneficial. Likewise for the many possible ways to
generate small caps fonts.
<p>Notes on specific variants, both old and new:
<dl>
<dt><code>1</code>
<dd><dt><code>4</code>
<dd><dt><code>6</code>
<dd><dt><code>b</code>
<dd>These variants (`semisans', `bright', `semiserif', and `fax') were used
only for single typefaces, so to conserve variant abbreviations, they
now have typeface abbreviations instead. Also, for <code>b</code>, to avoid
too-long names; and for the others, to avoid variant vs. design-size
ambiguities.
<br><dt><code>g</code>
<dd><dt><code>h</code>
<dd>Since these variants were not actually used in any font names, they are
now obsolete and may be reassigned in the future.
<br><dt><code>5</code>
<dd><dt><code>6</code>
<dd><dt><code>7</code>
<dd><dt><code>8</code>
<dd><dt><code>9</code>
<dd>These characters begin a two-character <dfn>encoding variant</dfn>.
Generally, <code>7</code> is for 7-bit encodings, <code>8</code> is for 8-bit
encodings, and <code>9</code> is for expertised encodings with or without
oldstyle digits (see the <code>x</code> item below), but this is not an
absolute rule. Also, <code>5</code> is presently used for phonetic encodings
and <code>6</code> for Cyrillic encodings. The <code>9s</code> (<code>SuperFont</code>)
variant contain all of Adobe, Latin 1, and Expert glyphs, perhaps with
slightly different metrics than the original fonts.
<p>For a font to be named with a certain encoding variant, it's not
necessary that all the characters appear in precisely the same positions
as in the encoding definition. It's enough that the usual TeX macros
work. In practice, this means that it's ok for a font to be labelled
<code>7t</code> if the only difference from Computer Modern is that the
ligatures and the <code>lslash</code> and <code>Lslash</code> characters are
different, since it's impossible to access or change the ligature table
from TeX. Standard PostScript fonts don't have an <code>lslash</code>
character the way Computer Modern does, but they do have the
<code>Lslash</code> and <code>lslash</code> characters themselves, so the usual
TeX <code>\lslash</code> and <code>\Lslash</code> macros can be made to work via
ligatures. See the file <code>T1.etx</code> file in the <code>fontinst</code>
distribution for details.
<p>If a name does not contain a specific encoding variant, its encoding is
unspecified. For example, some of the fonts distributed with Dvips(k)
have names like <code>ptmr</code> for <code>Times-Roman</code>; they use the Dvips
encoding (see <a href="dvips.html#dvips">dvips</a>), which is close to (but not the same
as) the TeX text encoding (as in Computer Modern Roman). Similarly,
the TFM files distributed with Dvilj(k) for the builtin LaserJet 4 fonts
have names like <code>cunm</code>, since these fonts, while compatible with
TeX text, contain many additional characters.
<br><dt><code>9</code>
<dd>These items are needed only because <code>x</code> (and possibly <code>j</code>)
followed by a two-character regular variant makes some names too long.
That is, <code>9t</code> is equivalent in meaning to <code>x7t</code>, and <code>9d</code>
is equivalent to <code>jx7t</code>. (This may not be true for all
<code>9</code><var>x</var><code></code> encodings, though.)
<br><dt><code>k</code>
<dd><dt><code>z</code>
<dd>These variants (indicating Greek and Cyrillic fonts, respectively) are
obsolete; future fonts in different scripts should be assigned an
appropriate encoding abbreviation. These are not currently
standardized, due to ignorance of the appropriate encodings. Please
send suggestions for abbreviations to the address in <a href="Introduction.html#Introduction">Introduction</a>.
<br><dt><code>m</code>
<dd><dt><code>v</code>
<dd><dt><code>y</code>
<dd>These math-related variants remain for the sake of typeface-specific
math encodings, e.g., Lucida. Fonts that use the Computer Modern math
encodings should use <code>7m</code> (see <a href="texmital.html#texmital">texmital</a>), <code>7v</code>
(see <a href="texmext.html#texmext">texmext</a>), and <code>7y</code> (see <a href="texmsym.html#texmsym">texmsym</a>).
<br><dt><code>n</code>
<dd>This is used for several different (but very rare) variants: only the
Stone typeface has an "informal" variant, and only a few Monotype
fonts have a "schoolbook" variant, with different `a', `g', and `y'
shapes.
<br><dt><code>r</code>
<dd>Included only if no other variants, including encodings, apply, and
either the width (see <a href="Widths.html#Widths">Widths</a>) is not <code>r</code> or a design size is
present. I.e., <code>r</code> is only used as a placeholder. When the normal
version of the typeface is sans serif (e.g., Helvetica), <code>r</code> should
be used when necessary, not <code>s</code>. Use <code>s</code> only when the
typeface family has both serif and sans serif variants.
<br><dt><code>s</code>
<dd><dt><code>t</code>
<dd>Mittelbach in <cite>TUGboat</cite> 13(1) suggests that these variants (for
`sans' and `typewriter') should be identified as part of the typeface
name, because there are few typeface families with these variants. I
feel that since they are logically variants, it's best to name them that
way. But <code>LucidaSans</code> (see <a href="Typefaces.html#Typefaces">Typefaces</a>) and a few others are
exceptions, to avoid too-long names.
<br><dt><code>x</code>
<dd><dt><code>8x</code>
<dd><dt><code>9?</code>
<dd><code>8x</code> indicates a font in the <code>Expert</code> encoding itself.
<code>x</code> indicates an <dfn>expertised</dfn> font, i.e., a composite (virtual)
font that includes characters from an <code>8x</code> font. And in fact an
<code>x</code><var>ee</var><code></code> sequence is replaced by <code>9</code><var>e</var><code></code>, to save
characters.
</dl>
<p>Fontname 1 assignments are shown in brackets in the following table,
from the file <code>variant.map</code>. It is organized alphabetically by
abbreviation. Each line consists of an abbreviation and either any
parts of a PostScript <code>FontName</code> which use that abbreviation or the
PostScript <code>Encoding</code> name.
<pre class="example">
0 inferior
1 superior
obsolete [2=>7c] Fraktur encoding
obsolete [3=>7f] Fraction
obsolete [4 fax; now typeface <code>lx</code>, Lucida Fax]
5 escape for (presently) phonetic encodings
6 escape for Cyrillic encodings [was <code>SemiSerif</code>]
7 escape for (mostly) 7-bit encodings
8 escape for (mostly) 8-bit encodings
9 escape for (presently) expert encodings [was oldstyle digits]
a Alt Arrows Alternative [was alternate encoding]
obsolete [b bright; now typeface lh, Lucida Bright]
c SmallCaps
d Display Titling Caption Headline TallCaps SwashCaps LombardicCaps Festive
e Engraved Copperplate Elite
f Fraktur Gothic OldEnglish Handtooled (`gothic' can also be sans)
g SmallText designed for small sizes [was grooved, as in the IBM logo]
h Shadow
i Italic Kursiv Ital text italic
j old-style digits [was invisible]
k Greek obsolete
l Outline OpenFace Blanks
m math italic
n Informal Fashion Schlbk for Stone
o Oblique Obl slanted
p Ornaments
obsolete [q=>8t Cork (TeX extended) encoding]
r roman or sans; often omitted, see text
s Gothic sans serif
t Monospace fixed-width typewriter
u unslanted italic
v MathExtension
w Script Handwritten Swash Calligraphy Cursive Tango
x built with Adobe expert encoding [was expert-encoded]
y MathSymbol
z Cyrillic font-dependent Cyrillic
5a PhoneticAlternate
5i PhoneticIPA
5s sil-IPA
5t TeX-IPA Fukui Rei, LaTeX T3
5w TeXAfricanLatin wsuipa fonts, LaTeX OT3
5z user
6a T2A
6b Cyrillic part of ISO 8859-5, seven bits
6c T2C
6d Cyrillic CP866 encoding
6i ISO 8859-5
6k Cyrillic KOI8-R encoding
6m Cyrillic Macintosh encoding
6s Storm extra encoding
6t T2B
6w Cyrillic CP1251 encoding
6x X2
6y LCY
6z user
7a A alternate characters only
7c Dfr Fraktur
7d OsF OSF oldstyle digit encoding
7f Fraction
7k OT2Cyrillic
7m TeXMathItalicEncoding see <a href="texmital.html#texmital">texmital</a>
7t TeX text encoding (as in Computer Modern Roman)
7v TeXMathExtensionEncoding see <a href="texmext.html#texmext">texmext</a>
7y TeXMathSymbolEncoding see <a href="texmsym.html#texmsym">texmsym</a>
7z user
82 GreekKeys
83 Ibycus1
84 Ibycus2
8a StandardEncoding Adobe standard encoding, see <a href="8a.html#8a">8a</a>
8c TeXTextCompanion LaTeX TS1
8f TeXAfricanLatin LaTeX T4
8i TS0 Intersection of TS1/Adobe Standard
8m Macintosh standard encoding
8n LM1 Textures
8r TeXBase1Encoding see <a href="8r.html#8r">8r</a>
8t CorkEncoding see <a href="cork.html#cork">cork</a>
8u XT2Encoding cmtt + Latin 2, see <code>xl2.enc</code>
8v TeXVietnamese to be defined
8w Windows 3.1 ANSI encoding
8x Expert expert encoding
8y LY1 TeX 'n ANSI
8z XL2Encoding cmr + Latin 2, see <code>xl2.enc</code>
9c expert + Text companion
9d expert + oldstyle digits + Cork
9e expert + Cork
9i TS0X Intersection of TS1/Standard/Expert
9o expert + oldstyle digits + TeX text
9s SF SuperFont
9t expert + TeX text
9z user
- songti for mnm
</pre>
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