[net.emacs] save-window-excursion

cak@Purdue.ARPA (01/22/84)

From:  Christopher A Kent <cak@Purdue.ARPA>

Could someone please explain to me why the fact that save-window-excursion

    "...does @i(not) save and restore the exact layout of the windows..."

is considered a feature, not a bug? I find it amazingly annoying.

Cheers,
chris
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jag@cmu-cs-h.arpa@cmu-cs-h.arpa (01/26/84)

From:  James Gosling <cmuitca!jag@cmu-cs-h.arpa@cmu-cs-h.arpa>

   Could someone please explain to me why the fact that save-window-excursion
    "...does @i(not) save and restore the exact layout of the windows..."
   is considered a feature, not a bug? I find it amazingly annoying.

Well....  The effect I was trying to achieve was to not disturb the
state of windows that weren't exposed within the save-window-excursion.
For example,  Suppose I have one window on buffer A, and then I execute
this mlisp function:

	(save-window-excursion
		(pop-to-buffer "B")
		(recursive-edit))

Buffer B will appear on the screen, along with buffer A.  I can now
(say) move the window on buffer A to some other part of the buffer.
What should happen to the positioning of buffer A when I type ^C and
exit the recursive-edit?  What I tried to do (I say tried, since there
are some real bugs) is to have A not get repositioned when the
save-excursion exits, and to just have B vanish.

Someday, I'd like to get around to doing the "right" thing, whatever
that is.

				James.
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