updated for version 7.0221
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 96602c9..93757a2 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 7.0aa. Last change: 2006 Mar 01
+*windows.txt* For Vim version 7.0aa. Last change: 2006 Mar 11
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -732,11 +732,12 @@
function.
{not available when compiled without the |+quickfix| feature}
-There can be only one preview window. It is created with one of the commands
-below. The 'previewheight' option can be set to specify the height of the
-preview window when it's opened. The 'previewwindow' option is set in the
-preview window to be able to recognize it. The 'winfixheight' option is set
-to have it keep the same height when opening/closing other windows.
+There can be only one preview window (per tab page). It is created with one
+of the commands below. The 'previewheight' option can be set to specify the
+height of the preview window when it's opened. The 'previewwindow' option is
+set in the preview window to be able to recognize it. The 'winfixheight'
+option is set to have it keep the same height when opening/closing other
+windows.
*:pta* *:ptag*
:pta[g][!] [tagname]