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authorAlan Mackenzie <acm@muc.de>2019-08-31 14:32:13 +0000
committerAlan Mackenzie <acm@muc.de>2019-08-31 14:32:13 +0000
commit8e420c09bcef1bf2a08b03deb74d5c663d898e33 (patch)
treedced4dbdb62d6b3f770c66e51884421df2ec34b5
parent0c3fc71d3bef37bac6a766d319c4574cd24c20c0 (diff)
downloademacs-8e420c09bcef1bf2a08b03deb74d5c663d898e33.tar.gz
Clarify the use of left/right-margin-width in determining current margin width
* doc/lispref/display.texi (Display-Margins): Clarify that left/right-margin-width can not be used to determine the current margin width, and that window-margins must be used instead.
-rw-r--r--doc/lispref/display.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 9eb406b3c6a..853f69fa330 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -4928,7 +4928,9 @@ means no right marginal area.
Setting these variables does not immediately affect the window. These
variables are checked when a new buffer is displayed in the window.
Thus, you can make changes take effect by calling
-@code{set-window-buffer}.
+@code{set-window-buffer}. Do not use these variables to try to
+determine the current width of the left or right margin. Instead, use
+the function @code{window-margins}.
You can also set the margin widths immediately.