all: single space after period

Follow CL 20022 and consistently use single space after a period in
documentation.

Generated with:

$ perl -i -npe 's,^(\s*// .+[a-z]\.)  +([A-Z]),$1 $2,' $(git grep -l -E '^\s*//(.+\.)  +([A-Z])')

Change-Id: Ia29ad823668f060e81293e848a79fc4b4857d94b
Reviewed-on: https://go-review.googlesource.com/73530
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

plan9/asm.s

@@ -1,4 +1,4 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
+// Copyright 2014 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.
 

plan9/env_plan9.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.
 

plan9/env_unset.go

@@ -1,4 +1,4 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
+// Copyright 2014 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.
 

plan9/errors_plan9.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.
 

plan9/race.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

plan9/race0.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

plan9/syscall.go

@@ -5,10 +5,10 @@
 // +build plan9
 
 // Package plan9 contains an interface to the low-level operating system
-// primitives.  OS details vary depending on the underlying system, and
+// primitives. OS details vary depending on the underlying system, and
 // by default, godoc will display the OS-specific documentation for the current
-// system.  If you want godoc to display documentation for another
+// system. If you want godoc to display documentation for another
-// system, set $GOOS and $GOARCH to the desired system.  For example, if
+// system, set $GOOS and $GOARCH to the desired system. For example, if
 // you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
 // to freebsd and $GOARCH to arm.
 // The primary use of this package is inside other packages that provide a more

unix/creds_test.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

unix/env_unix.go

@@ -1,4 +1,4 @@
-// Copyright 2010 The Go Authors.  All rights reserved.
+// Copyright 2010 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.
 

unix/env_unset.go

@@ -1,4 +1,4 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
+// Copyright 2014 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.
 

unix/export_test.go

@@ -1,4 +1,4 @@
-// Copyright 2015 The Go Authors.  All rights reserved.
+// Copyright 2015 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.
 

unix/gccgo.go

@@ -1,4 +1,4 @@
-// Copyright 2015 The Go Authors.  All rights reserved.
+// Copyright 2015 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.
 
@@ -8,7 +8,7 @@ package unix
 
 import "syscall"
 
-// We can't use the gc-syntax .s files for gccgo.  On the plus side
+// We can't use the gc-syntax .s files for gccgo. On the plus side
 // much of the functionality can be written directly in Go.
 
 //extern gccgoRealSyscall

unix/gccgo_c.c

@@ -1,4 +1,4 @@
-// Copyright 2015 The Go Authors.  All rights reserved.
+// Copyright 2015 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.
 

unix/gccgo_linux_amd64.go

@@ -1,4 +1,4 @@
-// Copyright 2015 The Go Authors.  All rights reserved.
+// Copyright 2015 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.
 

unix/pagesize_unix.go

@@ -1,4 +1,4 @@
-// Copyright 2017 The Go Authors.  All rights reserved.
+// Copyright 2017 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.
 

unix/race.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

unix/race0.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

unix/sockcmsg_linux.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.
 

unix/syscall.go

@@ -5,10 +5,10 @@
 // +build darwin dragonfly freebsd linux netbsd openbsd solaris
 
 // Package unix contains an interface to the low-level operating system
-// primitives.  OS details vary depending on the underlying system, and
+// primitives. OS details vary depending on the underlying system, and
 // by default, godoc will display OS-specific documentation for the current
-// system.  If you want godoc to display OS documentation for another
+// system. If you want godoc to display OS documentation for another
-// system, set $GOOS and $GOARCH to the desired system.  For example, if
+// system, set $GOOS and $GOARCH to the desired system. For example, if
 // you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
 // to freebsd and $GOARCH to arm.
 // The primary use of this package is inside other packages that provide a more

unix/syscall_bsd.go

@@ -34,7 +34,7 @@ func Getgroups() (gids []int, err error) {
 		return nil, nil
 	}
 
-	// Sanity check group count.  Max is 16 on BSD.
+	// Sanity check group count. Max is 16 on BSD.
 	if n < 0 || n > 1000 {
 		return nil, EINVAL
 	}

unix/syscall_darwin.go

@@ -54,7 +54,7 @@ func nametomib(name string) (mib []_C_int, err error) {
 
 	// NOTE(rsc): It seems strange to set the buffer to have
 	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
-	// as the size.  I don't know why the +2 is here, but the
+	// as the size. I don't know why the +2 is here, but the
 	// kernel uses +2 for its own implementation of this function.
 	// I am scared that if we don't include the +2 here, the kernel
 	// will silently write 2 words farther than we specify

unix/syscall_darwin_386.go

@@ -22,7 +22,7 @@ func setTimeval(sec, usec int64) Timeval {
 //sysnb	gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
 func Gettimeofday(tv *Timeval) (err error) {
 	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused.  The answers come back
+	// but is otherwise unused. The answers come back
 	// in the two registers.
 	sec, usec, err := gettimeofday(tv)
 	tv.Sec = int32(sec)

unix/syscall_darwin_amd64.go

@@ -22,7 +22,7 @@ func setTimeval(sec, usec int64) Timeval {
 //sysnb	gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
 func Gettimeofday(tv *Timeval) (err error) {
 	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused.  The answers come back
+	// but is otherwise unused. The answers come back
 	// in the two registers.
 	sec, usec, err := gettimeofday(tv)
 	tv.Sec = sec

unix/syscall_darwin_arm.go

@@ -20,7 +20,7 @@ func setTimeval(sec, usec int64) Timeval {
 //sysnb	gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
 func Gettimeofday(tv *Timeval) (err error) {
 	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused.  The answers come back
+	// but is otherwise unused. The answers come back
 	// in the two registers.
 	sec, usec, err := gettimeofday(tv)
 	tv.Sec = int32(sec)

unix/syscall_darwin_arm64.go

@@ -22,7 +22,7 @@ func setTimeval(sec, usec int64) Timeval {
 //sysnb	gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
 func Gettimeofday(tv *Timeval) (err error) {
 	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused.  The answers come back
+	// but is otherwise unused. The answers come back
 	// in the two registers.
 	sec, usec, err := gettimeofday(tv)
 	tv.Sec = sec

unix/syscall_freebsd.go

@@ -32,7 +32,7 @@ func nametomib(name string) (mib []_C_int, err error) {
 
 	// NOTE(rsc): It seems strange to set the buffer to have
 	// size CTL_MAXNAME+2 but use only CTL_MAXNAME
-	// as the size.  I don't know why the +2 is here, but the
+	// as the size. I don't know why the +2 is here, but the
 	// kernel uses +2 for its own implementation of this function.
 	// I am scared that if we don't include the +2 here, the kernel
 	// will silently write 2 words farther than we specify

unix/syscall_linux.go

@@ -255,7 +255,7 @@ func Getgroups() (gids []int, err error) {
 		return nil, nil
 	}
 
-	// Sanity check group count.  Max is 1<<16 on Linux.
+	// Sanity check group count. Max is 1<<16 on Linux.
 	if n < 0 || n > 1<<20 {
 		return nil, EINVAL
 	}
@@ -290,8 +290,8 @@ type WaitStatus uint32
 // 0x7F (stopped), or a signal number that caused an exit.
 // The 0x80 bit is whether there was a core dump.
 // An extra number (exit code, signal causing a stop)
-// is in the high bits.  At least that's the idea.
+// is in the high bits. At least that's the idea.
-// There are various irregularities.  For example, the
+// There are various irregularities. For example, the
 // "continued" status is 0xFFFF, distinguishing itself
 // from stopped via the core dump bit.
 
@@ -1023,7 +1023,7 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro
 
 	var buf [sizeofPtr]byte
 
-	// Leading edge.  PEEKTEXT/PEEKDATA don't require aligned
+	// Leading edge. PEEKTEXT/PEEKDATA don't require aligned
 	// access (PEEKUSER warns that it might), but if we don't
 	// align our reads, we might straddle an unmapped page
 	// boundary and not get the bytes leading up to the page

unix/syscall_linux_386.go

@@ -176,9 +176,9 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 
 // On x86 Linux, all the socket calls go through an extra indirection,
 // I think because the 5-register system call interface can't handle
-// the 6-argument calls like sendto and recvfrom.  Instead the
+// the 6-argument calls like sendto and recvfrom. Instead the
 // arguments to the underlying system call are the number below
-// and a pointer to an array of uintptr.  We hide the pointer in the
+// and a pointer to an array of uintptr. We hide the pointer in the
 // socketcall assembly to avoid allocation on every system call.
 
 const (

unix/syscall_solaris.go

@@ -166,7 +166,7 @@ func Getwd() (wd string, err error) {
 
 func Getgroups() (gids []int, err error) {
 	n, err := getgroups(0, nil)
-	// Check for error and sanity check group count.  Newer versions of
+	// Check for error and sanity check group count. Newer versions of
 	// Solaris allow up to 1024 (NGROUPS_MAX).
 	if n < 0 || n > 1024 {
 		if err != nil {
@@ -350,7 +350,7 @@ func Futimesat(dirfd int, path string, tv []Timeval) error {
 }
 
 // Solaris doesn't have an futimes function because it allows NULL to be
-// specified as the path for futimesat.  However, Go doesn't like
+// specified as the path for futimesat. However, Go doesn't like
 // NULL-style string interfaces, so this simple wrapper is provided.
 func Futimes(fd int, tv []Timeval) error {
 	if tv == nil {

windows/dll_windows.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.
 

windows/env_unset.go

@@ -1,4 +1,4 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
+// Copyright 2014 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.
 

windows/env_windows.go

@@ -1,4 +1,4 @@
-// Copyright 2010 The Go Authors.  All rights reserved.
+// Copyright 2010 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.
 

windows/memory_windows.go

@@ -1,4 +1,4 @@
-// Copyright 2017 The Go Authors.  All rights reserved.
+// Copyright 2017 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.
 

windows/mksyscall.go

@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
+// 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.
 

windows/race.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

windows/race0.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

windows/security_windows.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

windows/svc/eventlog/log_test.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

windows/svc/go12.go

@@ -1,4 +1,4 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
+// Copyright 2014 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.
 

windows/svc/go13.go

@@ -1,4 +1,4 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
+// Copyright 2014 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.
 

windows/svc/mgr/mgr_test.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

windows/svc/svc_test.go

@@ -1,4 +1,4 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
+// Copyright 2012 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.
 

windows/syscall.go

@@ -5,10 +5,10 @@
 // +build windows
 
 // Package windows contains an interface to the low-level operating system
-// primitives.  OS details vary depending on the underlying system, and
+// primitives. OS details vary depending on the underlying system, and
 // by default, godoc will display the OS-specific documentation for the current
-// system.  If you want godoc to display syscall documentation for another
+// system. If you want godoc to display syscall documentation for another
-// system, set $GOOS and $GOARCH to the desired system.  For example, if
+// system, set $GOOS and $GOARCH to the desired system. For example, if
 // you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
 // to freebsd and $GOARCH to arm.
 // The primary use of this package is inside other packages that provide a more

windows/syscall_windows.go

@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
+// 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.
 

windows/types_windows.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.
 

windows/types_windows_386.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.
 

windows/types_windows_amd64.go

@@ -1,4 +1,4 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 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.