- fine-tuning of one-line func heuristic (nodes.go)

- enabled for function declarations (not just function literals)
- applied gofmt -w $GOROOT/src
(look for instance at src/pkg/debug/elf/elf.go)

R=r, rsc
CC=go-dev
http://go/go-review/1026006

src/pkg/xml/xml_test.go

@@ -116,9 +116,7 @@ func (r *stringReader) ReadByte() (b byte, err os.Error) {
 	return;
 }
 
-func StringReader(s string) io.Reader {
-	return &stringReader{s, 0};
-}
+func StringReader(s string) io.Reader	{ return &stringReader{s, 0} }
 
 func TestRawToken(t *testing.T) {
 	p := NewParser(StringReader(testInput));