GNU bug report logs - #33740
[PATCH] Customizable flymake mode-line indicator

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 33740 <at> debbugs.gnu.org, joaotavora <at> gmail.com, andreyk.mad <at> gmail.com
Subject: bug#33740: [PATCH] Customizable flymake mode-line indicator
Date: Thu, 19 Sep 2019 18:23:01 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> But the code in that function could be clearer -- I don't really
> understand why this is done at all.

		aelt = Fassoc (elt, mode_line_proptrans_alist, Qnil);
		if (! NILP (aelt) && !NILP (Fequal (props, XCDR (aelt))))
		  {
		    /* AELT is what we want.  Move it to the front
		       without consing.  */
		    elt = XCAR (aelt);
		    mode_line_proptrans_alist
		      = move_elt_to_front (aelt, mode_line_proptrans_alist);
		  }
		else
		  {
		    Lisp_Object tem;

		    /* If AELT has the wrong props, it is useless.
		       so get rid of it.  */


Oh, this entire thing is just so that we can maintain a cache of text
properties and avoid some consing?  And if we have a cache, then all the
characters in the element has to have the same text properties.  I
wonder whether all this is really warranted...

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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