Document recent changes.

Make lex really compile in rsc's world.

src/cmd/lex/lmain.c

@@ -14,7 +14,7 @@ int	peek = '\n';	/* next input character */
 uchar	*pushptr = pushc;
 uchar	*slptr = slist;
 
-char	*cname = SYS9 "/sys/lib/lex/ncform";
+char	*cname;
 
 int nine;
 int ccount = 1;
@@ -95,6 +95,8 @@ main(int argc, char **argv)
 {
 	int i;
 
+	cname = unsharp("#9/lib/lex/ncform");
+
 	ARGBEGIN {
 # ifdef DEBUG
 		case 'd': debug++; break;

src/cmd/lex/mkfile

@@ -1,7 +1,6 @@
 <$PLAN9/src/mkhdr
 
-#TARG=lex
-TARG=lex.9
+TARG=9lex
 OFILES=lmain.$O\
 	y.tab.$O\
 	sub1.$O\

src/cmd/mkfile

@@ -6,7 +6,7 @@ SHORTLIB=sec fs mux regexp9 draw thread bio 9
 
 <$PLAN9/src/mkmany
 
-BUGGERED='CVS|faces|factotum|mailfs|mk|upas|vac|venti|lex'
+BUGGERED='CVS|faces|factotum|mailfs|mk|upas|vac|venti'
 DIRS=`ls -l |sed -n 's/^d.* //p' |egrep -v "^($BUGGERED)$"`
 
 <$PLAN9/src/mkdirs