Re: indent mangles UTF-8

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V=C2=A0Fri, Mar 24, 2023 at 11:01:04AM -0700,=C2=A0Adam Wozniak napsal(a):
> Using "indent" on a C file with structure members with UTF-8 names (as
> allowed under C99 and later).
>=20
> indent completely mangles these member names, inserting spaces between UT=
F8
> bytes.
>=20
> -double =C9=9914(double GST, struct =CF=86=CE=BB =CF=86=CE=BB) {

C99 leaves Unicode characters in identifiers as an implementation-defined
option:

    An implementation may allow multibyte characters that are not part of t=
he
    basic source character set to appear in identifiers; which characters a=
nd
    their correspondence to universal character names is
    implementation-defined.

You probably mistaken Unicode characters with Unicode character names
(a sequence like \uNNNN and \UNNNNNNNN):

    Universal character names may be used in identifiers, character constan=
ts,
    and string literals to designate characters that are not in the basic
    character set.

Hence C99-conforming compiler must support:

    double =C9=9914(double GST, struct \u03c6\u03bb \u03c6\u03bb);

but may support:

    double =C9=9914(double GST, struct =CF=86=CE=BB =CF=86=CE=BB);

while the interoperbility of the latter (e.g. linking to compilation units
together) is completely unspecified.

I don't say that cindent could not support Unicode characters (probably
depending on a locale because indent needs understand them to align columns
properly). Only that your claim about UTF-8 support in C99 is misleading.

-- Petr

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