[ietf-charsets] [art] US-ASCII and its various names

[Martin J. Dürst]

Hello Stephen,

On 2023-12-16 04:06, Steffen Nurpmeso wrote:

> To add that for backward compatibility the plain ASCII alias
> cannot go away,

I seem to remember too that ASCII was listed as an alias, and have 
confirmed this with
https://web.archive.org/web/20051229042158/http://www.iana.org/assignments/character-sets

Stephen, maybe you can do a bisection to find out where this alias 
disappeared.

<charset reviewer hat on>
I don't remember ever having dealt with a request to remove this ALIAS, 
and I strongly doubt that Ned ever did that.
</charset reviewer hat on>

> i do have emails with charset=ascii in my archive,

It would be interesting to know how many (i.e. what percentage of 
overall mails, and what percentage in comparison to those labeled 
US-ASCII), and how old they are.

Regards,   Martin.

> and GNU "iconv -l" gives
> 
>    $ iconv -l|grep -i ascii
>    ASCII//
>    CSASCII//
>    US-ASCII//
> 
> so if there are any character-sets downstream consumers, let alone
> automated ones, they need to have the alias also in the future,
> how deprecated it may be.
> (For the MUA i maintain i fixed it manually.)
> 
> --steffen