bug#59082: 28.2; Undocumented `intern-soft` feature with shorthands symbols

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Date: Sat, 12 Nov 2022 16:46:51 +0000
> Cc: Eli Zaretskii <eliz@gnu.org>, 59082@debbugs.gnu.org
> 
> Hmm, not sure we should be using shorthands in docstrings, which aren't read 
> by the Lisp reader, but by
> something else... This is what is at stake, right?

References to functions and variables in doc strings are a matter of
routine.