R6.6 is the Xorg base-line

mi/mivalidate.h

@@ -0,0 +1,51 @@
+/* $Xorg: mivalidate.h,v 1.4 2001/02/09 02:05:22 xorgcvs Exp $ */
+/*
+
+Copyright 1993, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+
+#ifndef MIVALIDATE_H
+#define MIVALIDATE_H
+
+#include "miscstruct.h"
+#include "regionstr.h"
+
+typedef union _Validate {
+    struct BeforeValidate {
+	DDXPointRec	oldAbsCorner;	/* old window position */
+	RegionPtr	borderVisible;	/* visible region of border, */
+					/* non-null when size changes */
+	Bool		resized;	/* unclipped winSize has changed - */
+					/* don't call SaveDoomedAreas */
+    } before;
+    struct AfterValidate {
+	RegionRec	exposed;	/* exposed regions, absolute pos */
+	RegionRec	borderExposed;
+    } after;
+} ValidateRec;
+
+#endif /* MIVALIDATE_H */