[GNU ELPA] Auctex version 13.1.5

[ELPA update]

Version 13.1.5 of package Auctex has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Auctex describes itself as:
  Integrated environment for *TeX*

More at https://elpa.gnu.org/packages/auctex.html