runtime(doc): Improve the description at :help :cwindow

Describe the "height" argument when opening the quickfix window.

See: #19302 ("[cl]window" has different behaviour from "[cl]open" about
their argument [height])

related: #19302
closes:  #19305

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index cb97fcdc183254b6204b90f9f401cc1d547012be..ab54a7488e23c67be2cbf395f32645ffcb33de69 100644 (file)
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt*  For Vim version 9.1.  Last change: 2026 Jan 30
+*quickfix.txt*  For Vim version 9.1.  Last change: 2026 Feb 01
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -625,6 +625,10 @@ can go back to the unfiltered list using the |:colder|/|:lolder| command.
                        errors.  If the window is already open and there are
                        no recognized errors, close the window.
 
+                       When opening the window and [height] is given, the
+                       window becomes that high (if there is room).  When
+                       [height] is omitted the window is made ten lines high.
+
                                                        *:lw* *:lwindow*
 :lw[indow] [height]    Same as ":cwindow", except use the window showing the
                        location list for the current window.