/usr/share/jsmath/plugins/smallFonts.js is in jsmath 3.6c-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* smallFonts.js
*
* Part of the jsMath package for mathematics on the web.
*
* This file changes the sizes of fonts used in subscripts so that they
* are larger. This can be helpful if jsMath is used on a page with a
* small font size, where the subscripts may tend to disappear.
* It should be loaded BEFORE jsMath.js.
*
* ---------------------------------------------------------------------
*
* Copyright 2006 by Davide P. Cervone
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
if (!window.jsMath) {window.jsMath = {}}
if (!jsMath.styles) {jsMath.styles = {}}
if (!jsMath.Img) {jsMath.Img = {}}
if (!jsMath.Box) {jsMath.Box = {}}
if (!jsMath.Typeset) {jsMath.Typeset = {}}
/*
* Replace the smaller font sizes
*/
jsMath.sizes = [70, 77, 85, 92, 100, 120, 144, 173, 207, 249];
jsMath.Img.fonts = [70, 70, 85, 85, 100, 120, 144, 173, 207, 249, 298, 358, 430];
jsMath.styles['.typeset .size0']['font-size'] = '70%';
jsMath.styles['.typeset .size1']['font-size'] = '77%';
jsMath.styles['.typeset .size2']['font-size'] = '85%';
jsMath.styles['.typeset .size3']['font-size'] = '92%';
/*
* Fix multiplication factors in these routines
*/
jsMath.Typeset.StyleValue = function (style,v) {
if (style == "S" || style == "S'") {return .85*v}
if (style == "SS" || style == "SS'") {return .70*v}
return v;
};
jsMath.Box.DelimBestFit = function (H,c,font,style) {
if (c == 0 && font == 0) return null;
var C; var h; font = jsMath.TeX.fam[font];
var isSS = (style.charAt(1) == 'S');
var isS = (style.charAt(0) == 'S');
while (c != null) {
C = jsMath.TeX[font][c];
if (C.h == null) {C.h = jsMath.Box.defaultH}; if (C.d == null) {C.d = 0}
h = C.h+C.d;
if (C.delim) {return [c,font,'',H]}
if (isSS && .70*h >= H) {return [c,font,'SS',.7*h]}
if (isS && .85*h >= H) {return [c,font,'S',.85*h]}
if (h >= H || C.n == null) {return [c,font,'T',h]}
c = C.n;
}
return null;
};
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