bug#44338: 27.1; EWW can't download and view pdf

[Jean Louis <bugs@gnu.support>]

* Basil L. Contovounesios <contovob@tcd.ie> [2020-10-31 16:45]:
> Nicholas Harrison <nicholasharrison222@gmail.com> writes:
> 
> > Using the EWW browser, I can navigate around to webpages, but navigating
> > to a pdf fails. It appears to download an unreadable pdf. Downloading
> > and viewing the pdf manually in emacs (pdf-view-mode) works fine.
> >
> > I've tried these solutions to no avail:
> > - Adding "application/pdf; emacsclient %s" to a ~/.mailcap file. This
> >   makes the process hang indefinitely.
> > - Running the following elisp code:
> >   `(add-to-list 'mailcap-user-mime-data
> >                  '((type . "application/pdf")
> >                    (viewer . pdf-view-mode)))`
> >   This doesn't seem to have an effect.
> 
> Seems to have been fixed on master:
> 
> 1. emacs -Q
> 2. M-x eww RET https://www.gnu.org/software/emacs/manual/emacs.html RET
> 3. C-s extra pdf RET RET

When external editor is used, buffer for eww pdf remains there in
background *eww pdf* and neither l or q key bindings work, it would be
expected to go back to the previous page from that buffer.


-- 
Thanks,
Jean Louis
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