$OpenBSD: patch-doc_man_display-sub_7,v 1.1 2005/01/31 14:20:26 todd Exp $
--- doc/man/display-sub.7.orig	Mon Nov 22 05:42:53 2004
+++ doc/man/display-sub.7	Sun Jan 30 15:40:46 2005
@@ -1,4 +1,4 @@
-.TH "display-sub" 7 "2004-10-14" "libggi-2.1.x" GGI
+.TH "display-sub" 7 "2005-01-16" "libggi-2.1.x" GGI
 .SH NAME
 \fBdisplay-sub\fR : Make a child visual that is a window to the parent
 .SH SYNOPSIS
@@ -23,6 +23,13 @@ moving/resizing the window does \fInot\f
 have to perform those yourself. All it does for you is providing a
 virtual visual within an existing one, which is convenient to allow
 for window system canvases to be about any GGI program.
+.RS
+\fBImportant:\fR
+It is possible to have (\fB0\fR, \fB0\fR) as upper, left corner. But
+beware, \fB0\fR means \fBGGI_AUTO\fR and therefore it may get overridden by
+\fBGGI_DEFMODE\fR environment variable. In this case, you may get
+unintended results.
+.RE
 .SH OPTIONS
 .TP
 \fItarget-spec\fR