bug#20304: 25.0.50; doc of `replace-match-maybe-edit': MATCH-DATA

[Lars Ingebrigtsen]

Drew Adams <drew.adams@oracle.com> writes:

> Please describe parameter MATCH-DATA.
>
> This is all that is said about MATCH-DATA now:
>
>  MATCH-DATA is used for the replacement.
>  In case editing is done, it is changed to use markers.
>
> What does that mean?  It might say something about how the argument is
> used (not really, not very clearly, at least), but it doesn't say what
> the argument is - what it corresponds to.
>
> The value of the argument is presumably some match-data.  But what
> match-data, from where?  If you are calling this function, what
> MATCH-DATA should you pass?

I've now amended the doc string to mention `match-data'.

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