Re: [bug-gnu-libiconv] CP 850

[Tomas By]

Hi,

Well, you could have two CP 850 options.

(I am writing code for the HP 200LX and there is no choice on that 
platform.)

/Tomas



On 2017-04-01 20:08, Bruno Haible wrote:
> Hi,
>
> > I'm looking at the file tests/CP850.TXT and get the impression that 
> > the
> > codes 0-31 are mapped to the same character in ASCII/UTF8 ?
>
> Yes.
>
> > If this is the case, then that is not correct. Except for tab, 
> > linefeed,
> > carriage return, those codes are graphical characters in CP 850.
>
> Quoting Wikipedia [1]:
>   "code points 1–31 and 127 (01–1Fhex and 7Fhex) may be either ASCII 
> control
>    characters or code page 437 graphics, depending on context."
>
> See also [2].
>
> In software that accesses fonts, it may be preferable to consider these
> code points as graphic characters.
>
> In software that converts text files, it is preferable to assume ASCII
> compatibility.
>
> GNU libiconv is in the latter camp.
>
> Bruno
>
> [1] https://en.wikipedia.org/wiki/Code_page_850
> [2] https://en.wikipedia.org/wiki/Code_page_437#Characters