bug#19109: eww-setup-buffer: use set-buffer instead of switch-to-buffer

[Ivan Shmakov]

>>>>> Lars Magne Ingebrigtsen <larsi@gnus.org> writes:
>>>>> Ivan Shmakov <ivan@siamics.net> writes:

 >>> I think this is a case of "don't do that, then".

 >> Yes.  And that means that eww-reload is essentially synchronous, –
 >> you can’t really invoke it and switch to doing some other thing; you
 >> have to wait until it completes.

 > You have a very singular usage pattern.  The normal usage pattern is
 > to have a single *eww* buffer.

        This statement is untrue in two respects:

        • the current eww-setup-buffer behavior also affects the “single
          *eww* buffer” case;

        • I’ve seen questions regarding multi-buffer EWW usage on IRC as
          soon as 24.4 got released; presumably, this means that there
          /are/ EWW users that are interested in this usage pattern.

        Besides, there’re many more Emacs users which use other browsers
        in either multi-window or multi-tab configuration.  I do not
        believe they will just happily forget about their long-time
        preferences when considering switching to EWW.

 > If you want a different pattern, and then you go around asking Emacs
 > to reload all the buffers, and you are then not happy about how that
 > works for you, then --

 > Closing.

        Objection.

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