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-rw-r--r--doc/emacs/mini.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/emacs/mini.texi b/doc/emacs/mini.texi
index 5d351dd10b6..eb2bfce136a 100644
--- a/doc/emacs/mini.texi
+++ b/doc/emacs/mini.texi
@@ -658,6 +658,13 @@ changed by changing the @code{completions-format} user option. If
@code{vertical}, sort the completions vertically in columns instead,
and if @code{one-column}, just use a single column.
+@vindex completions-max-height
+ When @code{completions-max-height} is non-@code{nil} it limits the
+size of the completions window. It is specified in lines and include
+mode, header line and a bottom divider, if any. For a more complex
+control of the Completion window display properties you can use
+@code{display-buffer-alist} (@pxref{Buffer Display Action Alists}).
+
@node Minibuffer History
@section Minibuffer History
@cindex minibuffer history