1) Change default gofmt default settings for
   parsing and printing to new syntax.

   Use -oldparser to parse the old syntax,
   use -oldprinter to print the old syntax.

2) Change default gofmt formatting settings
   to use tabs for indentation only and to use
   spaces for alignment. This will make the code
   alignment insensitive to an editor's tabwidth.

   Use -spaces=false to use tabs for alignment.

3) Manually changed src/exp/parser/parser_test.go
   so that it doesn't try to parse the parser's
   source files using the old syntax (they have
   new syntax now).

4) gofmt -w src misc test/bench

3rd set of files.

R=rsc
CC=golang-dev
https://golang.org/cl/180048
diff --git a/src/pkg/io/io.go b/src/pkg/io/io.go
index 68c5ccc..5d18476 100644
--- a/src/pkg/io/io.go
+++ b/src/pkg/io/io.go
@@ -9,13 +9,13 @@
 package io
 
 import (
-	"os";
-	"strings";
+	"os"
+	"strings"
 )
 
 // Error represents an unexpected I/O behavior.
 type Error struct {
-	os.ErrorString;
+	os.ErrorString
 }
 
 // ErrShortWrite means that a write accepted fewer bytes than requested
@@ -39,7 +39,7 @@
 // Read may return a non-zero number of bytes with a non-nil err.
 // In particular, a Read that exhausts the input may return n > 0, os.EOF.
 type Reader interface {
-	Read(p []byte) (n int, err os.Error);
+	Read(p []byte) (n int, err os.Error)
 }
 
 // Writer is the interface that wraps the basic Write method.
@@ -49,12 +49,12 @@
 // and any error encountered that caused the write to stop early.
 // Write must return a non-nil error if it returns n < len(p).
 type Writer interface {
-	Write(p []byte) (n int, err os.Error);
+	Write(p []byte) (n int, err os.Error)
 }
 
 // Closer is the interface that wraps the basic Close method.
 type Closer interface {
-	Close() os.Error;
+	Close() os.Error
 }
 
 // Seeker is the interface that wraps the basic Seek method.
@@ -65,61 +65,61 @@
 // relative to the end.  Seek returns the new offset and an Error, if
 // any.
 type Seeker interface {
-	Seek(offset int64, whence int) (ret int64, err os.Error);
+	Seek(offset int64, whence int) (ret int64, err os.Error)
 }
 
 // ReadWriter is the interface that groups the basic Read and Write methods.
 type ReadWriter interface {
-	Reader;
-	Writer;
+	Reader
+	Writer
 }
 
 // ReadCloser is the interface that groups the basic Read and Close methods.
 type ReadCloser interface {
-	Reader;
-	Closer;
+	Reader
+	Closer
 }
 
 // WriteCloser is the interface that groups the basic Write and Close methods.
 type WriteCloser interface {
-	Writer;
-	Closer;
+	Writer
+	Closer
 }
 
 // ReadWriteCloser is the interface that groups the basic Read, Write and Close methods.
 type ReadWriteCloser interface {
-	Reader;
-	Writer;
-	Closer;
+	Reader
+	Writer
+	Closer
 }
 
 // ReadSeeker is the interface that groups the basic Read and Seek methods.
 type ReadSeeker interface {
-	Reader;
-	Seeker;
+	Reader
+	Seeker
 }
 
 // WriteSeeker is the interface that groups the basic Write and Seek methods.
 type WriteSeeker interface {
-	Writer;
-	Seeker;
+	Writer
+	Seeker
 }
 
 // ReadWriteSeeker is the interface that groups the basic Read, Write and Seek methods.
 type ReadWriteSeeker interface {
-	Reader;
-	Writer;
-	Seeker;
+	Reader
+	Writer
+	Seeker
 }
 
 // ReaderFrom is the interface that wraps the ReadFrom method.
 type ReaderFrom interface {
-	ReadFrom(r Reader) (n int64, err os.Error);
+	ReadFrom(r Reader) (n int64, err os.Error)
 }
 
 // WriterTo is the interface that wraps the WriteTo method.
 type WriterTo interface {
-	WriteTo(w Writer) (n int64, err os.Error);
+	WriteTo(w Writer) (n int64, err os.Error)
 }
 
 // ReaderAt is the interface that wraps the basic ReadAt method.
@@ -137,7 +137,7 @@
 // ReadAt may return a non-zero number of bytes with a non-nil err.
 // In particular, a ReadAt that exhausts the input may return n > 0, os.EOF.
 type ReaderAt interface {
-	ReadAt(p []byte, off int64) (n int, err os.Error);
+	ReadAt(p []byte, off int64) (n int, err os.Error)
 }
 
 // WriterAt is the interface that wraps the basic WriteAt method.
@@ -147,7 +147,7 @@
 // and any error encountered that caused the write to stop early.
 // WriteAt must return a non-nil error if it returns n < len(p).
 type WriterAt interface {
-	WriteAt(p []byte, off int64) (n int, err os.Error);
+	WriteAt(p []byte, off int64) (n int, err os.Error)
 }
 
 // WriteString writes the contents of the string s to w, which accepts an array of bytes.
@@ -161,9 +161,9 @@
 // If an EOF happens after reading fewer than min bytes,
 // ReadAtLeast returns ErrUnexpectedEOF.
 func ReadAtLeast(r Reader, buf []byte, min int) (n int, err os.Error) {
-	n = 0;
+	n = 0
 	for n < min {
-		nn, e := r.Read(buf[n:]);
+		nn, e := r.Read(buf[n:])
 		if nn > 0 {
 			n += nn
 		}
@@ -171,10 +171,10 @@
 			if e == os.EOF && n > 0 {
 				e = ErrUnexpectedEOF
 			}
-			return n, e;
+			return n, e
 		}
 	}
-	return n, nil;
+	return n, nil
 }
 
 // ReadFull reads exactly len(buf) bytes from r into buf.
@@ -197,33 +197,33 @@
 	if rt, ok := dst.(ReaderFrom); ok {
 		return rt.ReadFrom(LimitReader(src, n))
 	}
-	buf := make([]byte, 32*1024);
+	buf := make([]byte, 32*1024)
 	for written < n {
-		l := len(buf);
+		l := len(buf)
 		if d := n - written; d < int64(l) {
 			l = int(d)
 		}
-		nr, er := src.Read(buf[0:l]);
+		nr, er := src.Read(buf[0:l])
 		if nr > 0 {
-			nw, ew := dst.Write(buf[0:nr]);
+			nw, ew := dst.Write(buf[0:nr])
 			if nw > 0 {
 				written += int64(nw)
 			}
 			if ew != nil {
-				err = ew;
-				break;
+				err = ew
+				break
 			}
 			if nr != nw {
-				err = ErrShortWrite;
-				break;
+				err = ErrShortWrite
+				break
 			}
 		}
 		if er != nil {
-			err = er;
-			break;
+			err = er
+			break
 		}
 	}
-	return written, err;
+	return written, err
 }
 
 // Copy copies from src to dst until either EOF is reached
@@ -244,41 +244,41 @@
 	if wt, ok := src.(WriterTo); ok {
 		return wt.WriteTo(dst)
 	}
-	buf := make([]byte, 32*1024);
+	buf := make([]byte, 32*1024)
 	for {
-		nr, er := src.Read(buf);
+		nr, er := src.Read(buf)
 		if nr > 0 {
-			nw, ew := dst.Write(buf[0:nr]);
+			nw, ew := dst.Write(buf[0:nr])
 			if nw > 0 {
 				written += int64(nw)
 			}
 			if ew != nil {
-				err = ew;
-				break;
+				err = ew
+				break
 			}
 			if nr != nw {
-				err = ErrShortWrite;
-				break;
+				err = ErrShortWrite
+				break
 			}
 		}
 		if er == os.EOF {
 			break
 		}
 		if er != nil {
-			err = er;
-			break;
+			err = er
+			break
 		}
 	}
-	return written, err;
+	return written, err
 }
 
 // LimitReader returns a Reader that reads from r
 // but stops with os.EOF after n bytes.
-func LimitReader(r Reader, n int64) Reader	{ return &limitedReader{r, n} }
+func LimitReader(r Reader, n int64) Reader { return &limitedReader{r, n} }
 
 type limitedReader struct {
-	r	Reader;
-	n	int64;
+	r Reader
+	n int64
 }
 
 func (l *limitedReader) Read(p []byte) (n int, err os.Error) {
@@ -288,9 +288,9 @@
 	if int64(len(p)) > l.n {
 		p = p[0:l.n]
 	}
-	n, err = l.r.Read(p);
-	l.n -= int64(n);
-	return;
+	n, err = l.r.Read(p)
+	l.n -= int64(n)
+	return
 }
 
 // NewSectionReader returns a SectionReader that reads from r
@@ -302,10 +302,10 @@
 // SectionReader implements Read, Seek, and ReadAt on a section
 // of an underlying ReaderAt.
 type SectionReader struct {
-	r	ReaderAt;
-	base	int64;
-	off	int64;
-	limit	int64;
+	r     ReaderAt
+	base  int64
+	off   int64
+	limit int64
 }
 
 func (s *SectionReader) Read(p []byte) (n int, err os.Error) {
@@ -315,9 +315,9 @@
 	if max := s.limit - s.off; int64(len(p)) > max {
 		p = p[0:max]
 	}
-	n, err = s.r.ReadAt(p, s.off);
-	s.off += int64(n);
-	return;
+	n, err = s.r.ReadAt(p, s.off)
+	s.off += int64(n)
+	return
 }
 
 func (s *SectionReader) Seek(offset int64, whence int) (ret int64, err os.Error) {
@@ -334,20 +334,20 @@
 	if offset < s.off || offset > s.limit {
 		return 0, os.EINVAL
 	}
-	s.off = offset;
-	return offset - s.base, nil;
+	s.off = offset
+	return offset - s.base, nil
 }
 
 func (s *SectionReader) ReadAt(p []byte, off int64) (n int, err os.Error) {
 	if off < 0 || off >= s.limit-s.base {
 		return 0, os.EOF
 	}
-	off += s.base;
+	off += s.base
 	if max := s.limit - off; int64(len(p)) > max {
 		p = p[0:max]
 	}
-	return s.r.ReadAt(p, off);
+	return s.r.ReadAt(p, off)
 }
 
 // Size returns the size of the section in bytes.
-func (s *SectionReader) Size() int64	{ return s.limit - s.base }
+func (s *SectionReader) Size() int64 { return s.limit - s.base }