bug#8657: 24.0.50; Emacs code that seems to use `*-single-char-property-change' incorrectly

[Chong Yidong]

Eli Zaretskii <eliz@gnu.org> writes:

>> The behavior might have changed at some point in time, explaining the
>> above code.
>
> Or maybe the author was confusing next-single-char-property-change
> with next-single-property-change.
>
> In any case, those tests are redundant, because
> next-single-char-property-change already returns point-max when it
> finds no change in properties.

I went ahead and fixed them accordingly.