emacs-27 ca44ea1: Improve documentation of auto-resize-tool/tab-bars

[Eli Zaretskii]

branch: emacs-27
commit ca44ea18ef2738b4f2e8c72058a12dc82ba13c65
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Improve documentation of auto-resize-tool/tab-bars
    
    * src/xdisp.c (syms_of_xdisp) <auto-resize-tool-bars>
    <auto-resize-tab-bars>: Doc fix.  (Bug#46178)
---
 src/xdisp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index cac3195..77c9af7 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -34742,7 +34742,8 @@ of your window manager.  */);
 This dynamically changes the tab-bar's height to the minimum height
 that is needed to make all tab-bar items visible.
 If value is `grow-only', the tab-bar's height is only increased
-automatically; to decrease the tab-bar height, use \\[recenter].  */);
+automatically; to decrease the tab-bar height, use \\[recenter],
+after setting `recenter-redisplay' to the value of t.  */);
   Vauto_resize_tab_bars = Qt;
 
   DEFVAR_BOOL ("auto-raise-tab-bar-buttons", auto_raise_tab_bar_buttons_p,
@@ -34754,7 +34755,8 @@ automatically; to decrease the tab-bar height, use 
\\[recenter].  */);
 This dynamically changes the tool-bar's height to the minimum height
 that is needed to make all tool-bar items visible.
 If value is `grow-only', the tool-bar's height is only increased
-automatically; to decrease the tool-bar height, use \\[recenter].  */);
+automatically; to decrease the tool-bar height, use \\[recenter],
+after setting `recenter-redisplay' to the value of t.  */);
   Vauto_resize_tool_bars = Qt;
 
   DEFVAR_BOOL ("auto-raise-tool-bar-buttons", auto_raise_tool_bar_buttons_p,