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bug#20070: 24.3; have commands such as downcase-region act on a rectangl


From: Stefan Monnier
Subject: bug#20070: 24.3; have commands such as downcase-region act on a rectangle region
Date: Mon, 16 Mar 2015 09:14:31 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)

> What are BEG1, END1, BEG2, END2, etc. values here?

Buffer positions.  These are needed for the new non-contiguous notion of
region introduced by rectangles (and which could be used for other
notions of selections, e.g. the recently mentioned "inverse region").


        Stefan





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