bug#52383: 29.0.50; [suggestion] Add seq-set-subset-p to seq.el

[Marco Wahl]

Juri Linkov <juri@linkov.net> writes:

>> The motivation for the suggested name `seq-set-subset-p' was to stay
>> close to the name `seq-set-equal-p'.  A user could interpret the prefix
>> "seq-set" as hint that the function implements a set operation.
>
> I guess the only reason why `seq-set-equal-p' has the prefix `seq-set-'
> is because it would be too ambiguous without the prefix: `seq-equal-p'.

I guess so too.