math, png: TeX for Gmail, not shown in GNU Emacs.

[Uwe Brauer <oub@mat.ucm.es>]

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Hello

I asked something similar 1 year ago but meanwhile I have (at least
partially) switched from Xemacs 21.5.34 mule to GNU Emacs 25, using
ma-gnus 0.9. The problem I am to describe was not solvable for Xemacs
but I seem to remember that it was for GNU Emacs. However right now for
my current setting the display of the messages in question is not correct.

Situation:

I receive html-email generated by gmail using the «TeX for Gmail»
extension, which like latexit for thunderbird, or org-mime-htmlize for
Emacs converts latex formula to png. Actually I receive a lot of them
and their correct display is important for me.

However while this message is displayed correctly in 

    -  gmail itself using firefox, 

    -  thunderbird, 

    - it is not so (any longer, at least not in my setting) for GNU
      Emacs.

I use mm-text-html-renderer 'gnus-w3m
and played around with
  (setq gnus-mime-display-multipart-related-as-mixed nil)
  (setq gnus-mime-display-multipart-as-mixed nil)

Or   set to t.

I attach 4 screen shots
1. Firefox+gmail
2. Thunderbird
3. GNU Emacs with gnus-mime-display-multipart-as-mixed nil
4. GNU Emacs with gnus-mime-display-multipart-as-mixed t

I recall that somebody on the list told me he could see such embedded
png. I would love to hear about it and which setting I have to use.


Thanks very much

Uwe Brauer


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