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[RFC] some reworking of struct window

From: Dmitry Antipov
Subject: [RFC] some reworking of struct window
Date: Thu, 21 Mar 2013 13:39:27 +0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4

This patch implements the further generalization of an idea suggested by Stefan
at http://lists.gnu.org/archive/html/emacs-devel/2013-02/msg00088.html. The main
motivations are 1) make 'struct window' even bit smaller and 2) simplify the 

if (!NILP (w->hchild))
  foo (w->hchild);
else if (!NILP (w->vchild))
  foo (w->vchild);
else /* assume leaf window with w->buffer */
  bar (w->buffer);


if (WINDOWP (w->object))
  foo (w->object);
else /* assume leaf window with buffer at w->object */
  bar (w->object);

As usual, reviews and comments are highly appreciated, especially for the
'struct window' member which replaces hchild/vchild/buffer (I don't like
too generic 'object', but couldn't think up the better name).


Attachment: window_object.patch
Description: Text document

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