diff --git a/src/lib9/encodefmt.c b/src/lib9/encodefmt.c
index 5dd2f48..2787816 100644
--- a/src/lib9/encodefmt.c
+++ b/src/lib9/encodefmt.c
@@ -11,10 +11,12 @@
 	uchar *b;
 	char obuf[64];	// rsc optimization
 
-	if(!(f->flags&FmtPrec) || f->prec < 0)
+	if(!(f->flags&FmtPrec) || f->prec < 1)
 		goto error;
 
 	b = va_arg(f->args, uchar*);
+	if(b == 0)
+		return fmtstrcpy(f, "<nil>");
 
 	ilen = f->prec;
 	f->prec = 0;
@@ -51,6 +53,9 @@
 		break;
 	case 'H':
 		rv = enc16(out, len, b, ilen);
+		if(rv >= 0 && (f->flags & FmtLong))
+			for(p = buf; *p; p++)
+				*p = tolower(*p);
 		break;
 	default:
 		rv = -1;
diff --git a/src/lib9/mkfile b/src/lib9/mkfile
index 0c1c302..88fcf6f 100644
--- a/src/lib9/mkfile
+++ b/src/lib9/mkfile
@@ -13,7 +13,7 @@
 	fmt.$O\
 	fmtfd.$O\
 	fmtfdflush.$O\
-	fmtlock.$O\
+	fmtlock2.$O\
 	fmtprint.$O\
 	fmtquote.$O\
 	fmtrune.$O\
diff --git a/src/lib9/portdate b/src/lib9/portdate
new file mode 100644
index 0000000..a9fb519
--- /dev/null
+++ b/src/lib9/portdate
@@ -0,0 +1,55 @@
+announce.c		2004/1225
+atexit.c		2004/1225
+atnotify.c		2004/1225
+atol.c		2004/1225
+atoll.c		2004/1225
+cistrcmp.c		2004/1225
+cistrncmp.c		2004/1225
+cistrstr.c		2004/1225
+cleanname.c		2004/1225
+convD2M.c		2004/1225
+convM2D.c		2004/1225
+convM2S.c		2004/1225
+convS2M.c		2004/1225
+ctime.c		2004/1225
+dial.c		2004/1225
+dirfstat.c		2004/1225
+dirfwstat.c		2004/1225
+dirmodefmt.c		2004/1225
+dirread.c		2004/1225
+dirstat.c		2004/1225
+dirwstat.c		2004/1225
+encodefmt.c		2004/1225
+fcallfmt.c		2004/1225
+fork.c		2004/1225
+getenv.c		2004/1225
+getfields.c		2004/1225
+getuser.c		2004/1225
+getwd.c		2004/1225
+lnrand.c		2004/1225
+lock.c		2004/1225
+lrand.c		2004/1225
+malloc.c		2004/1225
+nan.c		2004/1225
+needsrcquote.c		2004/1225
+netmkaddr.c		2004/1225
+nrand.c		2004/1225
+nulldir.c		2004/1225
+postnote.c		2004/1225
+qlock.c		2004/1225
+quote.c		2004/1225
+rand.c		2004/1225
+read9pmsg.c		2004/1225
+readn.c		2004/1225
+strdup.c		2004/1225
+strecpy.c		2004/1225
+sysfatal.c		2004/1225
+sysname.c		2004/1225
+time.c		2004/1225
+tokenize.c		2004/1225
+truerand.c		2004/1225
+u16.c		2004/1225
+u32.c		2004/1225
+u64.c		2004/1225
+wait.c		2004/1225
+waitpid.c		2004/1225