Re: coding tags and utf-16

[Kenichi Handa]

In article <address@hidden>, Stefan Monnier <address@hidden> writes:

>>  So, in any cases, a tag value itself is useless.  Then how
>>  to detect utf-16 more reliably?  In the current Emacs
>>  (i.e. Ver.22), I think we can use auto-coding-regexp-alist
>>  or auto-coding-alist.  In the former case, we can register
>>  BOM patterns and also something like "\\`\\(\0[\0-\177]\\)+"
>>  for utf-16be.  In the latter case, you can use more
>>  complicated heuristics in a registered function.

> Can't it be somehow added to detect_coding_utf_16?

Yes, but usually it has no effect if, for instance,
iso-8859-1 is more preferred.  If only ASCII and Latin-1
characters are encoded in utf-16, all bytes (including BOM)
are valid for iso-8859-1.

---
Kenichi Handa
address@hidden