Re: request to revert the chnage of revno 112925

[Stefan Monnier]

>> But the core of what I want: make it so that utf-8 Elisp files are
>> always recognized correctly, even in the absence of a coding: tag, and
>> regardless of the user's locale.
>> The way I implemented it broke recognition of iso-2022, but if there;s
>> some other way that doesn't break it, that's even better.
> I'd like to find a better solution, but at first please
> clarify the requirements.
> * What to do with an ASCII file?  Previously find-file for
>   such a file results in undecided-xxx
>   buffer-file-coding-system.  Now it's utf-8-xxx.

I like the utf-8 better, but either is OK.

> * What to do with an invalid UTF-8 file.  Previously,
>   find-file detects a proper coding-system for such a file.
>   Now utf-8 is forced and any invalid UTF-8 byte sequences
>   are decoded as raw bytes.

Ideally: emit a warning, and then try to find a more appropriate coding
system (e.g. iso-2022).

> * What to do with null byte detection.  Previously, if a
>   *.el file contains a null byte and
>   inhibit-null-byte-detection is nil (the default), it's
>   detected as a binary file.  Now utf-8 is forced regardless
>   of inhibit-null-byte-detection.

I like the utf-8 better, but I don't know of any concrete case where it
makes a significant difference, so either way is OK.


        Stefan