/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/ is in yelp 3.10.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/Arrows.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/CombDiacritMarks.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/CombDiactForSymbols.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/GeneralPunctuation.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/GeometricShapes.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/Latin1Supplement.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/LatinExtendedA.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/LatinExtendedB.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/LetterlikeSymbols.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/Main.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/MathOperators.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/MiscMathSymbolsA.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/MiscSymbols.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/MiscTechnical.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/SpacingModLetters.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/SuppMathOperators.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Bold/SupplementalArrowsA.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Italic/
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Italic/CombDiacritMarks.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Italic/GeneralPunctuation.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Italic/Latin1Supplement.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Italic/LetterlikeSymbols.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Italic/Main.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Regular/
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Regular/CombDiacritMarks.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Regular/GeometricShapes.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Regular/Main.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Regular/MiscSymbols.js
/usr/share/yelp/mathjax/jax/output/HTML-CSS/fonts/TeX/Main/Regular/SpacingModLetters.js