On 06Feb2019 13:01, Chris Green <c...@isbd.net> wrote:
On Wed, Feb 06, 2019 at 01:00:48PM +1100, Cameron Simpson wrote:
Scenario B:
If DHL really are sending HTML in a standalone text/plain body then you've got 2 choices.

The first is to act when you receive the email; if you're using procmail or
something similar to file you email you could match these messages and
modify the Content-Type: header to say "text/html".

The alternative is to match the message with mutt, and to set display_filter
specially for this message. You could use your normal display_filter and use
a message-hook to override it with the command from the mailcap ("lynx
-dump").

OK, thanks, it's quite rare and, at the moment, only DHL notifications
doing this that I actually want to see the content.

Just further to the display_filter thing: I normally use a display_filter, set to a personal script which goes:

   #!/bin/sh
   #
   # Mutt display filter, whose behaviour adjusts accoridng to some flags.
   #   - Cameron Simpson <c...@cskk.id.au> 29jan2017
   #

   if flag MUTT_ROT13
   then  tr '[A-Z][a-z]' '[N-Z][A-M][n-z][a-m]'
   else  cat
   fi \
   | if flag MUTT_UNTOPPOST
     then  untoppost
     else  cat
     fi \
   | mutt-highlight

The mutt-highlight is a sed script which turns *foo* into bold and _foo_ into underlined. But the important thing here is the if statement: it optionally runs the message body through some filters. For example, I've got a mutt macro ^X to toggle the MUTT_ROT13 flag and redisplay the message.

You could adopt such a scheme for your HTML issue (in fact, I'm going to do that myself too): have an optional flag to decode the HTML using a pipeline flavour of your mailcap unhtml line. Then bind a mutt keystroke to toggle the flag and redisplay. My rot13 bindings go:

   set my_toggle_rot13="$my_push_wait_key=no<enter><shell-escape>flag !  MUTT_ROT13 -e 
flag MUTT_ROT13<enter>$my_pop_wait_key"
   macro index \Cx "$my_toggle_rot13" 'toggle MUTT_ROT13'
   macro pager \Cx "<exit>$my_toggle_rot13<display-message>" 'toggle MUTT_ROT13'

Just a thought. Source for any of the above is available.

Cheers,
Cameron Simpson <c...@cskk.id.au>

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