bug#22043: 25.0.50; search-forward and char folding

[Drew Adams]

> Would something like the following be acceptable?
> 
>   The search commands that are described in "Incremental Search" and
>   "Nonincremental Search" perform character folding by default, thus
>   matching equivalent character sequences.
> 
> If that's no good, an alternative might be to say that "Some search
> commands ... perform character folding", and to add a note along the
> lines of
> 
>   To determine whether character folding applies to a particular search
>   command, see the Help text for that command.

Isn't it correct and sufficient to say that non-regexp
incrementalsearch uses character folding by default?

IOW, isn't this default behavior true for all incremental
search commands except regexp search, and only for those
commands (no non-incremental search commands)?