Re: /usr/bin/printf: invalid universal character name

[Jim Meyering]

Bruno Haible <address@hidden> wrote:
> Jim Meyering wrote:
>> Paul Eggert added this feature 8 years ago
>
> Well, all honours to Paul, but this feature I did submit to you on 2000-02-02.

Oh!  Sorry to misattribute that.
I looked at the wrong ChangeLog entry.

>> I don't know the motivation for those exceptions.
>
> The motivation is that the ISO C 99 standard has these exceptions:
>
>   ISO C 99, 6.4.3(2):
>   "Constraints
>    A universal character name shall not specify a character whose short
>    identifier is less than 00A0 other than 0024 ($), 0040 (@), or 0060 (`),
>    nor one in the range D800 through DFFF inclusive."
>
> and I find it undesirable to have different variants of the same concept in
...
Thanks for explaining.

> You are entitled to your opinion. So that you cannot call it "bugs" any more,
> I propose to make the restriction explicit in the coreutils manual:
>
> 2008-05-14  Bruno Haible  <address@hidden>
>
>       * doc/coreutils.texi (printf invocation): Clarify invalid ranges for
>       Unicode character escape syntax.

And for the patch!
Applied.