[Alpine-info] Content-type charset in display filter

[Phil Brooke]

Hi,

I'm trying to figure out a clean way for a display filter to obtain the
charset (as set by the sender of the message) of the block that it's
processing.  So something like
  (trigger) (command name) _MAILCHARSET_
where MAILCHARSET would be replaced by, say, ISO-8859-15.

I don't think there's a simple way to do this right now.  Looking at the
Alpine source, it appears that dfilter() and expand_filter_tokens() in
alpine/dispfilt.c are the places for me to look first.  But I'm stuck seeing
how I'm going to get hold of the charset parameter: dfilter() sets env to
NULL; I think I need to call rfc2231_get_param  but that needs
body->param....  Help?!

An alternative is to modify the filters to write out in the sender's locale,
but I'm not sure that'll be any easier.

TIA,

Phil.




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