Re: save-excursion and the mark

[Richard Stallman]

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  > If save-excursion is in practice never used to save&restore the mark,
  > then changing save-excursion would be a lot simpler and would save us
  > from introducing a 99% redundant `save-point'.

That's true, if it is _never_ used that way.  But it is hard to verify
_never_, and we can expect some things to break.  I think the principle
of avoiding incompatible changes is enough reason to pay the small price
of adding one more very simple construct.

-- 
Dr Richard Stallman
President, Free Software Foundation
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