bug#21728: 25.0.50; [patch] mention focus-{in,out}-hook in manual

[Aaron Ecay <aaronecay@gmail.com>]

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The emacs lisp reference doesn’t mention focus-in-hook and its -out-
variant, except in a list of hooks.  Yet it contains some discussion of
focus events.  To make it clear that the hooks exist, I’ve added a
reference to them in the attached patch.


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From f89a1bc9d70170f77c85ca447b8a8c3efa6f1ccd Mon Sep 17 00:00:00 2001
From: Aaron Ecay <aaronecay@gmail.com>
Date: Wed, 21 Oct 2015 19:38:23 +0100
Subject: [PATCH] doc/lispref/commands.texi (Focus Events): Mention
 `focus-{in,out}-hook'.

* doc/lispref/commands.texi (Focus Events): Mention `focus-{in,out}-hook'.
---
 doc/lispref/commands.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/lispref/commands.texi b/doc/lispref/commands.texi
index 7ddf5ee..1aee2b5 100644
--- a/doc/lispref/commands.texi
+++ b/doc/lispref/commands.texi
@@ -1682,6 +1682,9 @@ Focus Events
 so that the focus event comes either before or after the multi-event key
 sequence, and not within it.
 
+Another facility that Emacs provides for running lisp code on focus
+changes is @code{focus-in-hook} and @code{focus-out-hook}.
+
 @node Misc Events
 @subsection Miscellaneous System Events
 
-- 
2.6.1


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(I have a copyright assignment on file.)

Thanks,

-- 
Aaron Ecay