acme: revise multiline tag code

src/cmd/acme/mkfile

@@ -33,3 +33,19 @@ HFILES=dat.h\
 <$PLAN9/src/mkdirs
 
 edit.$O ecmd.$O elog.$O:	edit.h
+
+likeplan9:V:
+	mkdir -p likeplan9
+	rm -f likeplan9/*
+	for i in *.c
+	do
+		9 sed 's/->(fcall|lk|b|fr|ref|m|u|u1)\./->/g;
+			s/\.(fcall|lk|b|fr|ref|m|u|u1)([^a-zA-Z0-9_])/\2/g
+			s/&(([a-zA-Z0-9_]|->|\.)*)->(fcall|lk|b|fr|ref|m|u|u1)([^a-zA-Z0-9_])/\1\4/g
+			s/range\(([^,()]+), ([^,()]+)\)/(Range){\1, \2}/g
+		' $i >likeplan9/$i
+	done
+
+diffplan9:V:
+	mk likeplan9
+	9 diff -n plan9 likeplan9 | sed 's;likeplan9/;;'