master 1511f3c: Fix inaccuracies in documentation of 'message-truncate-lines'

[Eli Zaretskii]

branch: master
commit 1511f3cecce73e227a3bbcd7b4d8041fe579f908
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Fix inaccuracies in documentation of 'message-truncate-lines'
    
    * doc/lispref/display.texi (Echo Area Customization):
    * src/xdisp.c (syms_of_xdisp): Adjust the documentation of
    message-truncate-lines to changes that fixed bug#46718.
---
 doc/lispref/display.texi | 6 +++---
 src/xdisp.c              | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 79fb72a..7ab2896 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -646,9 +646,9 @@ If the value is zero, then command input is not echoed.
 
 @defvar message-truncate-lines
 Normally, displaying a long message resizes the echo area to display
-the entire message.  But if the variable @code{message-truncate-lines}
-is non-@code{nil}, the echo area does not resize, and the message is
-truncated to fit it.
+the entire message, wrapping long line as needed.  But if the variable
+@code{message-truncate-lines} is non-@code{nil}, long lines of
+echo-area message are instead truncated to fit the mini-window width.
 @end defvar
 
   The variable @code{max-mini-window-height}, which specifies the
diff --git a/src/xdisp.c b/src/xdisp.c
index 0846af2..e853c8c 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -35445,7 +35445,7 @@ and `scroll-right' overrides this variable's effect.  
*/);
   Vhscroll_step = make_fixnum (0);
 
   DEFVAR_BOOL ("message-truncate-lines", message_truncate_lines,
-    doc: /* If non-nil, messages are truncated instead of resizing the echo 
area.
+    doc: /* If non-nil, messages are truncated when displaying the echo area.
 Bind this around calls to `message' to let it take effect.  */);
   message_truncate_lines = false;