This is my own rewrite of [the official (but unsupported) XeLaTeX class for PhD thesis at Uppsala university](https://libguides.ub.uu.se/avhandling/latex).
+ [How to have a local package override default package](https://tex.stackexchange.com/questions/8357/how-to-have-local-package-override-default-package/8359#8359)
+ [How do I add a .sty file to my MacTeX/TeXShop installation?](https://tex.stackexchange.com/questions/10252/how-do-i-add-a-sty-file-to-my-mactex-texshop-installation)
+ [Undefined control sequence error for LuaLaTeX, TeX.SE](https://tex.stackexchange.com/questions/315025/lualatex-texlive-2016-standalone-undefined-control-sequence)