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Re: multi-region.el --- Mapping commands over multiple active regions.


From: Richard M. Stallman
Subject: Re: multi-region.el --- Mapping commands over multiple active regions.
Date: Sun, 08 Jan 2006 09:47:47 -0500

     (region-beginning) => (10 30 50)

     (region-end) => (20 40 60)

    Could I, as a programmer, trust that the ordering of those values are
    always in sync?

Sure, if you don't change anything between one call and the other.
They would both operate from the same data structure.

    Maybe these functions are only helper functions, and when I need the
    *real* end of a region, I will ask for it explicitly using the
    beginning of the region as argument?

Sorry, I do not understand the issue or the scenario.




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