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diff --git a/nx-X11/programs/Xserver/iplan2p4/iplbresd.c b/nx-X11/programs/Xserver/iplan2p4/iplbresd.c
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+/* $XFree86$ */
+/***********************************************************
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $XConsortium: iplbresd.c,v 1.16 94/04/17 20:28:45 dpw Exp $ */
+
+/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
+interleaved planes */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "misc.h"
+#include "ipl.h"
+#include "miline.h"
+#include "iplmskbits.h"
+
+/* Dashed bresenham line */
+
+void
+iplBresD(rrops,
+ pdashIndex, pDash, numInDashList, pdashOffset, isDoubleDash,
+ addrg, ngwidth,
+ signdx, signdy, axis, x1, y1, e, e1, e2, len)
+ iplRRopPtr rrops;
+ int *pdashIndex; /* current dash */
+ unsigned char *pDash; /* dash list */
+ int numInDashList; /* total length of dash list */
+ int *pdashOffset; /* offset into current dash */
+ int isDoubleDash;
+ INTER_DECLAREG(*addrg); /* pointer to base of bitmap */
+ int ngwidth; /* width in groups of bitmap */
+ int signdx, signdy; /* signs of directions */
+ int axis; /* major axis (Y_AXIS or X_AXIS) */
+ int x1, y1; /* initial point */
+ register int e; /* error accumulator */
+ register int e1; /* bresenham increments */
+ int e2;
+ int len; /* length of line */
+{
+ register int e3 = e2-e1;
+ int dashIndex;
+ int dashOffset;
+ int dashRemaining;
+ INTER_DECLARERRAX(xorFg);
+ INTER_DECLARERRAX(andFg);
+ INTER_DECLARERRAX(xorBg);
+ INTER_DECLARERRAX(andBg);
+ int thisDash;
+
+ dashOffset = *pdashOffset;
+ dashIndex = *pdashIndex;
+ xorFg = rrops[0].xorg;
+ andFg = rrops[0].andg;
+ xorBg = rrops[1].xorg;
+ andBg = rrops[1].andg;
+ dashRemaining = pDash[dashIndex] - dashOffset;
+ if ((thisDash = dashRemaining) >= len)
+ {
+ thisDash = len;
+ dashRemaining -= len;
+ }
+ e = e-e1; /* to make looping easier */
+
+#define BresStep(minor,major) {if ((e += e1) >= 0) { e += e3; minor; } major;}
+
+#define NextDash {\
+ dashIndex++; \
+ if (dashIndex == numInDashList) \
+ dashIndex = 0; \
+ dashRemaining = pDash[dashIndex]; \
+ if ((thisDash = dashRemaining) >= len) \
+ { \
+ dashRemaining -= len; \
+ thisDash = len; \
+ } \
+}
+
+ {
+ INTER_DECLAREG(startbit);
+ INTER_DECLAREG(bit);
+
+ /* point to longword containing first point */
+ addrg = addrg + (y1 * ngwidth) + (x1 >> INTER_PGSH) * INTER_PLANES;
+ signdy = signdy * ngwidth;
+ signdx = signdx * INTER_PLANES;
+
+ if (signdx > 0)
+ startbit = iplmask[0];
+ else
+ startbit = iplmask[INTER_PPG-1];
+ bit = iplmask[x1 & INTER_PIM];
+
+#define X_Loop(store) while(thisDash--) {\
+ store; \
+ BresStep(addrg += signdy, \
+ if (signdx > 0) \
+ bit >>= 1; \
+ else \
+ bit <<= 1; \
+ if (!bit) \
+ { \
+ bit = startbit; \
+ addrg += signdx; \
+ }) \
+ }
+#define Y_Loop(store) while(thisDash--) {\
+ store; \
+ BresStep(if (signdx > 0) \
+ bit >>= 1; \
+ else \
+ bit <<= 1; \
+ if (!bit) \
+ { \
+ bit = startbit; \
+ addrg += signdx; \
+ }, \
+ addrg += signdy) \
+ }
+
+ if (axis == X_AXIS)
+ {
+ for (;;)
+ {
+ len -= thisDash;
+ if (dashIndex & 1) {
+ if (isDoubleDash) {
+ X_Loop(
+ INTER_DoMaskRRop(addrg, andBg, xorBg, bit, addrg);
+ )
+ } else {
+ X_Loop(;)
+ }
+ } else {
+ X_Loop(INTER_DoMaskRRop(addrg, andFg, xorFg, bit, addrg));
+ }
+ if (!len)
+ break;
+ NextDash
+ }
+ } /* if X_AXIS */
+ else
+ {
+ for (;;)
+ {
+ len -= thisDash;
+ if (dashIndex & 1) {
+ if (isDoubleDash) {
+ Y_Loop(
+ INTER_DoMaskRRop(addrg, andBg, xorBg, bit, addrg);
+ )
+ } else {
+ Y_Loop(;)
+ }
+ } else {
+ Y_Loop(INTER_DoMaskRRop(addrg, andFg, xorFg, bit, addrg));
+ }
+ if (!len)
+ break;
+ NextDash
+ }
+ } /* else Y_AXIS */
+ }
+ *pdashIndex = dashIndex;
+ *pdashOffset = pDash[dashIndex] - dashRemaining;
+}