noprep.ccl: rm propositions from np

tools/noprep.ccl

+// generates "real" NP chunks by removing chunk-initial prepositions
+// the new chunks are added as "cut_np"
+
+// to be used with wccl-rules
+
+tag_rules(
+	rule("noprep",
+		and(
+			isannbeg(0, "chunk_np"),
+			not(in({prep}, class[0])),
+			rlook(0, end, $End,
+				isannend($End, "chunk_np")
+			)
+		),
+		mark(0, $End, "cut_np")
+	);
+	rule("withprep",
+		and(
+			isannbeg(0, "chunk_np"),
+			in({prep}, class[0]),
+			rlook(0, end, $End,
+				isannend($End, "chunk_np")
+			)
+		),
+		mark(1, $End, "cut_np")
+	)
+)
+