update tutorial to new language.

add a section on printing
add a section on allocation

R=rsc
DELTA=500  (278 added, 15 deleted, 207 changed)
OCL=22381
CL=22456

1 files changed, 11 insertions, 0 deletions

diff --git a/doc/progs/printf.go b/doc/progs/printf.go
new file mode 100644
index 000000000..be1ac9731
--- /dev/null
+++ b/doc/progs/printf.go
@@ -0,0 +1,11 @@
+// Copyright 2009 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.printf("hello, %s\n", "world");
+}