sending keystroke to unfocused window

Hi!!

Is it possible to send a keystroke to an unfocused window ? What I
think of is emacslike C-M-v to scroll down in another (emacs-)window.

If you have your editor on one side of a splitted frame and maybe a
xpdf on the other, pressing META-v will send the <down key> event to
xpdf. The appropriate keystroke could be chosen by the receiving
window's window-info; and the receiving window itself could be chosen
by tagging it.

Could this be done by a script ? And if so, how ?

/Renee.





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