bug#15260: cannot build in a directory with non-ascii characters

[Stefan Monnier]

>> >> So, it should be removed and replaced by calls to either
>> >> make_unibyte_string or make_multibyte_string.
>> > I presume you think the same about build_string, then.
>> Pretty much, except that I tend to think of build_string as only meant
>> for use on string constants, which are all ASCII, normally, so it
>> doesn't matter nearly as much.
> About 20% of uses of build_string are not guaranteed to act on pure
> ASCII strings.

These should presumably use something like make_unibyte_string or
make_multibyte_string, then.


        Stefan