Julien Labbé submitted the
altsubsup
package.
Version: 1.0 2022-01-23 License: lppl1.3
Summary description: Subscripts and superscripts with square brackets
Announcement text: ----------------------------------------------------------------------
altsubsup is a LaTeX package to write alternative subscripts and superscripts, with square brackets. It allows to write $x_[my subscript]$ or $x^[my superscript]$, formatted with a customisable command (default: ext).
----------------------------------------------------------------------
The package’s Catalogue entry can be viewed at https://ctan.org/pkg/altsubsup
The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/altsubsup/
------------------------------------------------------------------------
Thanks for the upload.
For the CTAN Team Petra Rübe-Pugliese
------------------------------------------------------------------------
CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs