This is a "storage" package used by completion engines such as `company-math.el` and `ac-math.el`. Defined (a)lists are: `math-symbol-list-basic` `math-symbol-list-extended` `math-symbol-list-packages` `math-symbol-list-latex-commands` `math-symbol-list-subscripts` `math-symbol-list-superscripts` Sources: [1] http://milde.users.sourceforge.net/LUCR/Math/ [2] https://github.com/wspr/unicode-math/blob/master/unicode-math-table.tex [3] http://milde.users.sourceforge.net/LUCR/Math/data/unimathsymbols.txt [4] M-x describe-input-method TeX [5] `LaTeX-math-default' in AucTeX package [6] LaTeX 2 unicode: https://www.cl.cam.ac.uk/%7Emgk25/ucs/examples/TeX.txt [7] W3C math WG: https://www.w3.org/2003/entities/2007xml/unicode.xml ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;