Commit 8e420c09 authored by Alan Mackenzie's avatar Alan Mackenzie

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.
parent 0c3fc71d
Pipeline #3016 passed with stage
in 25 minutes and 31 seconds
......@@ -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.
......
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