Recognizing alternative reply prefixes

[Tim Chase]

On 2022-09-21 15:53, Jaron Kent-Dobias via Mutt-users wrote:
> I am frequently exchanging emails with Italians, whose mail clients often
> use the format 'R: [Subject]' in replies instead of 'Re: [Subject]'.  Mutt
> in my locale does not recognize the leading 'R:' as a reply prefix and
> proposes the subject line 'Re: R: [Subject]'.
> 
> Can mutt be configured to recognize other reply prefixes automatically?

I think you're looking for $reply_regex

  http://mutt.org/doc/manual/#reply-regexp

which should let you set the regex to identify such prefixes.

-tkc