> From: Gavin Smith <[email protected]>
> Date: Sat, 11 Mar 2023 22:04:55 +0000
> Cc: Patrice Dumas <[email protected]>, [email protected]
>
> It is pretty common to use @sc with a lower case argument where the
> argument is intended to be in upper case.
The Texinfo manual says:
TeX typesets any uppercase letters between the braces of an ‘@sc’
command in full-size capitals; only lowercase letters are printed in the
small caps font.
Which I think explains why it is better to use lower-case letters
inside @sc.