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Re: please implement query-exchange

From: Eli Zaretskii
Subject: Re: please implement query-exchange
Date: Sat, 16 Nov 2002 21:14:25 +0300

> From: Dan Jacobson <jidanni@dman.ddts.net>
> Date: 16 Nov 2002 09:59:40 +0800
> Maybe there should be a query-exchange function, e.g.  I want to make
> all the x's become y, and all the y's become x, in
> atan(x()-$xc,y()-$yc).

Can't you do that with query-replace-regexp using parenthesized
subexpressions and the \N feature (where N is a digit)?

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