Corrected an error with the generation of DUALGATE.  Although
DUALGATE may include tap diffusion, the intent of DUALGATE is to
stop short of butted taps.  Doing so makes it easier to place
5V_XTOR without violating the PL.12 DRC rule.

gf180mcu/magic/gf180mcu.tech

diff --git a/gf180mcu/magic/gf180mcu.tech b/gf180mcu/magic/gf180mcu.tech
index 8a37bcb..3be319a 100644
--- a/gf180mcu/magic/gf180mcu.tech
+++ b/gf180mcu/magic/gf180mcu.tech
@@ -969,9 +969,11 @@
 	mask-hints PPLUS
 	calma	31 0
 
-#-----------------------------------------------------
+#------------------------------------------------------
 # DUALGATE (thickox)
-#-----------------------------------------------------
+# Note: Rule DV.5 cannot be violated when automatically
+# generated.
+#------------------------------------------------------
 
  layer DUALGATE
 	# NOTE:  This rule requires satisfying PL.19;  poly cannot
@@ -980,8 +982,7 @@
 	# Rule DV.8 (DUALGATE around poly)
 	grow 400
 	# Rule DV.6 (DUALGATE around diff, LV substrate tap excepted)
-	bloat-or allndiffmv * 240 *psd 0
-	bloat-or allpdiffmv * 240
+	bloat-or allndiffmv * 240 *mvpsd 0
 	grow 219
 	shrink 219
 	mask-hints DUALGATE