bug#13579: 24.3.50; query-replace ressurrects previous minibuffer contents

[Stefan Monnier]

> I'll try to do this in trunk.

Thanks.

> Regarding fixing the regression in the emacs-24 branch, I propose a patch
> that let-binds isearch-* variables in the same place where `search-function'
> is funcalled.  I believe this is a more reliable and less error-prone fix.

That looks fine, yes, thank you,


        Stefan