Re: [RFC, experimental] save_{excursion,restriction}

[Stefan Monnier]

> Now I'm curious.  Why should save-restriction be rare?

I mean "dynamically rare".  I.e. I don't expect it to happen very often
to change the restriction in the inner loops.

> Would it be better to use markers in this case?

In my experience, if markers can be used instead, then yes I do
recommend markers.  They have much fewer interactions with other things.


        Stefan