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

[Juri Linkov]

>>> BTW function `seq-set-equal-p' could be rewritten using
>>> `seq-set-subset-p'.
>>
>> Isn't the word "set" redundant in the name?
>> In `seq-set-equal-p' the word "set" is needed
>> to say "is set equal".  But in `seq-set-subset-p'
>> the word "set" doesn't add much meaning, so better
>> would be to name your new function just `seq-subset-p'.
>
> Agreed.
>
> 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'.