From 28592ee1ea1f5cdffcf85472f9de0285d928cf12 Mon Sep 17 00:00:00 2001 From: Ondřej Surý Date: Wed, 3 Aug 2011 16:54:30 +0200 Subject: Imported Upstream version 59 --- AUTHORS | 5 + CONTRIBUTORS | 9 +- doc/devel/release.html | 107 ++ doc/devel/weekly.html | 220 +++ doc/effective_go.html | 17 +- doc/go_mem.html | 5 +- doc/go_spec.html | 137 +- doc/go_tutorial.html | 1049 ++++++------ doc/go_tutorial.txt | 108 +- doc/gopher/appenginegopher.jpg | Bin 0 -> 135882 bytes doc/gopher/appenginegophercolor.jpg | Bin 0 -> 162023 bytes doc/gopher/appenginelogo.gif | Bin 0 -> 2105 bytes doc/htmlgen.go | 167 +- doc/install.html | 6 +- doc/makehtml | 16 +- doc/prog.sh | 72 - doc/progs/file_windows.go | 89 + doc/progs/run | 7 +- doc/progs/sort.go | 36 +- doc/progs/sortmain.go | 4 +- include/u.h | 1 + lib/codereview/codereview.py | 16 +- misc/dashboard/builder/http.go | 7 +- misc/dashboard/builder/main.go | 33 +- misc/dashboard/builder/package.go | 48 +- misc/dashboard/godashboard/auth.py | 13 + 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++ src/pkg/syscall/exec_plan9.go | 36 +- src/pkg/syscall/exec_unix.go | 108 +- src/pkg/syscall/exec_windows.go | 40 +- src/pkg/syscall/lsf_linux.go | 78 + src/pkg/syscall/mkall.sh | 16 +- src/pkg/syscall/mkerrors.sh | 11 +- src/pkg/syscall/mksyscall.pl | 17 +- src/pkg/syscall/mksyscall_windows.pl | 32 +- src/pkg/syscall/mksysnum_darwin.pl | 20 +- src/pkg/syscall/mksysnum_freebsd.pl | 2 + src/pkg/syscall/mksysnum_linux.pl | 2 + src/pkg/syscall/route_bsd.go | 4 +- src/pkg/syscall/sockcmsg_unix.go | 65 + src/pkg/syscall/syscall.go | 65 - src/pkg/syscall/syscall_bsd.go | 88 +- src/pkg/syscall/syscall_darwin.go | 4 + src/pkg/syscall/syscall_darwin_386.go | 12 + src/pkg/syscall/syscall_darwin_amd64.go | 12 + src/pkg/syscall/syscall_freebsd_386.go | 12 + src/pkg/syscall/syscall_freebsd_amd64.go | 12 + src/pkg/syscall/syscall_linux.go | 8 +- src/pkg/syscall/syscall_linux_386.go | 8 +- src/pkg/syscall/syscall_linux_amd64.go | 2 +- src/pkg/syscall/syscall_linux_arm.go | 2 +- src/pkg/syscall/syscall_plan9.go | 20 +- src/pkg/syscall/syscall_unix.go | 68 + src/pkg/syscall/syscall_windows.go | 224 +-- src/pkg/syscall/syscall_windows_386.go | 2 - src/pkg/syscall/syscall_windows_amd64.go | 5 + src/pkg/syscall/types_linux.c | 11 + src/pkg/syscall/types_plan9.c | 16 +- src/pkg/syscall/zerrors_darwin_386.go | 97 ++ src/pkg/syscall/zerrors_darwin_amd64.go | 101 +- src/pkg/syscall/zerrors_freebsd_386.go | 72 + src/pkg/syscall/zerrors_freebsd_amd64.go | 72 + src/pkg/syscall/zerrors_linux_386.go | 165 ++ src/pkg/syscall/zerrors_linux_amd64.go | 165 ++ src/pkg/syscall/zerrors_linux_arm.go | 164 ++ src/pkg/syscall/zerrors_plan9_386.go | 3 +- src/pkg/syscall/zerrors_windows.go | 283 +++ src/pkg/syscall/zerrors_windows_386.go | 284 +--- src/pkg/syscall/zerrors_windows_amd64.go | 5 + src/pkg/syscall/zsyscall_darwin_386.go | 27 +- src/pkg/syscall/zsyscall_darwin_amd64.go | 27 +- src/pkg/syscall/zsyscall_freebsd_386.go | 19 +- src/pkg/syscall/zsyscall_freebsd_amd64.go | 19 +- src/pkg/syscall/zsyscall_linux_amd64.go | 2 +- src/pkg/syscall/zsyscall_linux_arm.go | 2 +- src/pkg/syscall/zsyscall_windows_386.go | 171 +- src/pkg/syscall/zsyscall_windows_amd64.go | 1323 ++++++++++++++ src/pkg/syscall/zsysnum_darwin_386.go | 828 ++++----- src/pkg/syscall/zsysnum_darwin_amd64.go | 828 ++++----- src/pkg/syscall/zsysnum_windows_amd64.go | 3 + src/pkg/syscall/ztypes_linux_386.go | 15 + src/pkg/syscall/ztypes_linux_amd64.go | 15 + src/pkg/syscall/ztypes_linux_arm.go | 15 + src/pkg/syscall/ztypes_plan9_386.go | 1 + src/pkg/syscall/ztypes_windows.go | 656 +++++++ src/pkg/syscall/ztypes_windows_386.go | 550 +----- src/pkg/syscall/ztypes_windows_amd64.go | 5 + src/pkg/syslog/syslog_unix.go | 2 +- src/pkg/template/execute.go | 2 +- src/pkg/template/parse.go | 2 +- src/pkg/testing/benchmark.go | 54 +- src/pkg/testing/iotest/reader.go | 21 +- src/pkg/testing/testing.go | 72 +- src/pkg/time/Makefile | 12 + src/pkg/time/format.go | 4 +- src/pkg/time/sleep_test.go | 2 +- src/pkg/time/sys.go | 13 +- src/pkg/time/sys_plan9.go | 18 + src/pkg/time/sys_posix.go | 18 + src/pkg/time/tick.go | 2 +- src/pkg/time/time_test.go | 17 +- src/pkg/time/zoneinfo_plan9.go | 59 + src/pkg/time/zoneinfo_posix.go | 62 + src/pkg/time/zoneinfo_unix.go | 56 - src/pkg/unicode/letter.go | 49 + src/pkg/unicode/letter_test.go | 46 + src/pkg/unicode/maketables.go | 353 +++- src/pkg/unicode/tables.go | 634 +++++-- src/pkg/websocket/client.go | 6 +- src/pkg/xml/Makefile | 1 + src/pkg/xml/atom_test.go | 50 + src/pkg/xml/embed_test.go | 10 +- src/pkg/xml/marshal.go | 228 +++ src/pkg/xml/marshal_test.go | 299 ++++ src/pkg/xml/read.go | 128 +- src/pkg/xml/read_test.go | 78 +- src/pkg/xml/xml.go | 23 +- src/pkg/xml/xml_test.go | 27 + src/run.bash | 2 +- src/version.bash | 9 +- test/errchk | 16 + test/fixedbugs/bug140.go | 4 +- test/fixedbugs/bug178.go | 12 +- test/fixedbugs/bug238.go | 1 - test/fixedbugs/bug243.go | 3 +- test/fixedbugs/bug274.go | 2 +- test/fixedbugs/bug344.go | 6 +- test/fixedbugs/bug345.dir/io.go | 15 + test/fixedbugs/bug345.dir/main.go | 28 + test/fixedbugs/bug345.go | 7 + test/fixedbugs/bug346.go | 19 + test/golden.out | 3 + test/goprint.go | 14 + test/goto.go | 535 ++++++ test/run | 6 - test/sizeof.go | 23 + 616 files changed, 25017 insertions(+), 8029 deletions(-) create mode 100644 doc/gopher/appenginegopher.jpg create mode 100644 doc/gopher/appenginegophercolor.jpg create mode 100644 doc/gopher/appenginelogo.gif delete mode 100755 doc/prog.sh create mode 100644 doc/progs/file_windows.go create mode 100644 misc/dashboard/godashboard/auth.py delete mode 100755 misc/nacl/naclrun delete mode 100644 src/cmd/8a/l.s create mode 100755 src/cmd/godefs/test.sh create mode 100644 src/cmd/godefs/testdata.c create mode 100644 src/cmd/godefs/testdata_darwin_386.golden create mode 100644 src/cmd/godefs/testdata_darwin_amd64.golden create mode 100644 src/cmd/godoc/filesystem.go create mode 100644 src/cmd/godoc/parser.go create mode 100644 src/cmd/gofix/filepath.go create mode 100644 src/cmd/gofix/filepath_test.go create mode 100644 src/cmd/gofix/httpfs.go create mode 100644 src/cmd/gofix/httpfs_test.go create mode 100644 src/cmd/gofix/httpheaders.go create mode 100644 src/cmd/gofix/httpheaders_test.go create mode 100644 src/cmd/gofix/oserrorstring.go create mode 100644 src/cmd/gofix/oserrorstring_test.go create mode 100644 src/cmd/gofix/sorthelpers.go create mode 100644 src/cmd/gofix/sorthelpers_test.go create mode 100644 src/cmd/gofix/sortslice.go create mode 100644 src/cmd/gofix/sortslice_test.go create mode 100644 src/cmd/gofix/stringssplit.go create mode 100644 src/cmd/gofix/stringssplit_test.go delete mode 100644 src/cmd/goinstall/parse.go delete mode 100644 src/cmd/goinstall/path.go delete mode 100644 src/cmd/goinstall/syslist_test.go create mode 100644 src/pkg/crypto/openpgp/elgamal/Makefile create mode 100644 src/pkg/crypto/openpgp/elgamal/elgamal.go create mode 100644 src/pkg/crypto/openpgp/elgamal/elgamal_test.go create mode 100644 src/pkg/csv/Makefile create mode 100644 src/pkg/csv/reader.go create mode 100644 src/pkg/csv/reader_test.go create mode 100644 src/pkg/csv/writer.go create mode 100644 src/pkg/csv/writer_test.go delete mode 100644 src/pkg/debug/elf/testdata/go-relocation-test-gcc424-x86-64.o create mode 100644 src/pkg/debug/elf/testdata/go-relocation-test-gcc424-x86-64.obj delete mode 100644 src/pkg/debug/elf/testdata/go-relocation-test-gcc441-x86-64.o create mode 100644 src/pkg/debug/elf/testdata/go-relocation-test-gcc441-x86-64.obj delete mode 100644 src/pkg/debug/elf/testdata/go-relocation-test-gcc441-x86.o create mode 100644 src/pkg/debug/elf/testdata/go-relocation-test-gcc441-x86.obj create mode 100644 src/pkg/exec/lp_plan9.go create mode 100644 src/pkg/exp/regexp/syntax/Makefile create mode 100644 src/pkg/exp/regexp/syntax/compile.go create mode 100755 src/pkg/exp/regexp/syntax/make_perl_groups.pl create mode 100644 src/pkg/exp/regexp/syntax/parse.go create mode 100644 src/pkg/exp/regexp/syntax/parse_test.go create mode 100644 src/pkg/exp/regexp/syntax/perl_groups.go create mode 100644 src/pkg/exp/regexp/syntax/prog.go create mode 100644 src/pkg/exp/regexp/syntax/prog_test.go create mode 100644 src/pkg/exp/regexp/syntax/regexp.go create mode 100644 src/pkg/exp/regexp/syntax/simplify.go create mode 100644 src/pkg/exp/regexp/syntax/simplify_test.go create mode 100644 src/pkg/exp/template/Makefile create mode 100644 src/pkg/exp/template/exec.go create mode 100644 src/pkg/exp/template/exec_test.go create mode 100644 src/pkg/exp/template/funcs.go create mode 100644 src/pkg/exp/template/lex.go create mode 100644 src/pkg/exp/template/lex_test.go create mode 100644 src/pkg/exp/template/parse.go create mode 100644 src/pkg/exp/template/parse_test.go create mode 100644 src/pkg/exp/template/set.go create mode 100644 src/pkg/exp/template/set_test.go create mode 100644 src/pkg/go/build/cgotest/cgotest.go delete mode 100644 src/pkg/go/build/cgotest/file.go create mode 100644 src/pkg/go/build/cmdtest/main.go create mode 100644 src/pkg/go/build/pkgtest/pkgtest.go create mode 100644 src/pkg/go/build/pkgtest/sqrt_386.s create mode 100644 src/pkg/go/build/pkgtest/sqrt_amd64.s create mode 100644 src/pkg/go/build/pkgtest/sqrt_arm.s create mode 100644 src/pkg/net/dnsclient_unix.go create mode 100644 src/pkg/net/interface_windows.go delete mode 100644 src/pkg/net/lookup.go create mode 100644 src/pkg/net/lookup_unix.go create mode 100644 src/pkg/net/lookup_windows.go delete mode 100644 src/pkg/net/resolv_windows.go create mode 100644 src/pkg/net/sendfile_windows.go create mode 100644 src/pkg/os/str.go create mode 100644 src/pkg/runtime/386/atomic.c create mode 100644 src/pkg/runtime/amd64/atomic.c create mode 100644 src/pkg/runtime/arm/atomic.c create mode 100644 src/pkg/runtime/sema_test.go create mode 100644 src/pkg/runtime/windows/amd64/defs.h create mode 100644 src/pkg/runtime/windows/amd64/rt0.s create mode 100644 src/pkg/runtime/windows/amd64/signal.c create mode 100644 src/pkg/runtime/windows/amd64/sys.s create mode 100644 src/pkg/syscall/asm_windows_amd64.s create mode 100644 src/pkg/syscall/bpf_bsd.go create mode 100644 src/pkg/syscall/lsf_linux.go create mode 100644 src/pkg/syscall/sockcmsg_unix.go create mode 100644 src/pkg/syscall/syscall_windows_amd64.go create mode 100644 src/pkg/syscall/zerrors_windows.go create mode 100644 src/pkg/syscall/zerrors_windows_amd64.go create mode 100644 src/pkg/syscall/zsyscall_windows_amd64.go create mode 100644 src/pkg/syscall/zsysnum_windows_amd64.go create mode 100644 src/pkg/syscall/ztypes_windows.go create mode 100644 src/pkg/syscall/ztypes_windows_amd64.go create mode 100644 src/pkg/time/sys_plan9.go create mode 100644 src/pkg/time/sys_posix.go create mode 100644 src/pkg/time/zoneinfo_plan9.go create mode 100644 src/pkg/time/zoneinfo_posix.go create mode 100644 src/pkg/xml/atom_test.go create mode 100644 src/pkg/xml/marshal.go create mode 100644 src/pkg/xml/marshal_test.go create mode 100644 test/fixedbugs/bug345.dir/io.go create mode 100644 test/fixedbugs/bug345.dir/main.go create mode 100644 test/fixedbugs/bug345.go create mode 100644 test/fixedbugs/bug346.go create mode 100644 test/goprint.go create mode 100644 test/goto.go create mode 100644 test/sizeof.go diff --git a/AUTHORS b/AUTHORS index 8f510f3ba..f9af1a777 100644 --- a/AUTHORS +++ b/AUTHORS @@ -16,6 +16,7 @@ Alexander Orlov Alexey Borzenkov Amrut Joshi Andrei Vieru +Andrew Balholm Andrew Skiba Andrey Mirtchovski Andy Davis @@ -60,6 +61,7 @@ Fazlul Shahriar Firmansyah Adiputra Florian Uekermann Gary Burd +Gideon Jan-Wessel Redelinghuys Giles Lean Google Inc. Graham Miller @@ -83,10 +85,12 @@ Jonathan Wills Jose Luis Vázquez González Josh Goebel Jukka-Pekka Kekkonen +Julian Phillips Kai Backman Kei Son Keith Rarick Ken Friedenbach +Ken Rockot Kevin Ballard Kyle Consalus Kyle Lemons @@ -140,6 +144,7 @@ Tor Andersson Vincent Ambo Vincent Vanackere Vinu Rajashekhar +Volker Dobler Wei Guangjing William Josephson Yasuhiro Matsumoto diff --git a/CONTRIBUTORS b/CONTRIBUTORS index a395c11cc..8bb57f9ab 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -40,6 +40,7 @@ Alexander Orlov Alexey Borzenkov Amrut Joshi Andrei Vieru +Andrew Balholm Andrew Gerrand Andrew Skiba Andrey Mirtchovski @@ -100,6 +101,7 @@ Firmansyah Adiputra Florian Uekermann Fumitoshi Ukai Gary Burd +Gideon Jan-Wessel Redelinghuys Giles Lean Graham Miller Gustavo Niemeyer @@ -131,20 +133,23 @@ Jos Visser Jose Luis Vázquez González Josh Goebel Jukka-Pekka Kekkonen +Julian Phillips Kai Backman Kei Son Keith Rarick Ken Friedenbach +Ken Rockot Ken Thompson Kevin Ballard Kirklin McDonald Kyle Consalus -Kyle Lemons +Kyle Lemons Larry Hosken Lorenzo Stoakes Lucio De Re Luit van Drongelen Luuk van Dijk +Marcel van Lohuizen Mark Zavislak Markus Duft Martin Neubauer @@ -169,6 +174,7 @@ Padraig Kitterick Paolo Giarrusso Pascal S. de Kloe Patrick Gavlin +Paul Borman Petar Maymounkov Peter Froehlich Peter McKenzie @@ -211,6 +217,7 @@ Vincent Ambo Vincent Vanackere Vinu Rajashekhar Vish Subramanian +Volker Dobler Wei Guangjing William Chan William Josephson diff --git a/doc/devel/release.html b/doc/devel/release.html index e1a1cabe5..feb433f14 100644 --- a/doc/devel/release.html +++ b/doc/devel/release.html @@ -14,6 +14,113 @@ hg pull hg update release.rNN +

r59 (released 2011/08/01)

+ +

+The r59 release corresponds to +weekly.2011-07-07. +This section highlights the most significant changes in this release. +For a more detailed summary, see the +weekly release notes. +For complete information, see the +Mercurial change list. +

+ +

Language

+ +

+This release includes a language change that restricts the use of +goto. In essence, a goto statement outside a block +cannot jump to a label inside that block. Your code may require changes if it +uses goto. +See this +changeset for how the new rule affected the Go tree. +

+ +

Packages

+ +

+As usual, gofix will handle the bulk of the rewrites +necessary for these changes to package APIs. +

+ +

+Package http has a new +FileSystem interface that provides access +to files. The FileServer helper now takes a +FileSystem argument instead of an explicit file system root. By +implementing your own FileSystem you can use the +FileServer to serve arbitrary data. +

+ +

+Package os's ErrorString type has been +hidden. Most uses of os.ErrorString can be replaced with +os.NewError. +

+ +

+Package reflect supports a new struct tag scheme +that enables sharing of struct tags between multiple packages. +In this scheme, the tags must be of the form: +

+
+	`key:"value" key2:"value2"`
+
+

+The StructField type's Tag field now +has type StructTag, which has a +Get method. Clients of json and +xml will need to be updated. Code that says +

+
+	type T struct {
+		X int "name"
+	}
+
+

+should become +

+
+	type T struct {
+		X int `json:"name"`  // or `xml:"name"`
+	}
+
+

+Use govet to identify struct tags that need to be +changed to use the new syntax. +

+ +

+Package sort's IntArray type has been +renamed to IntSlice, and similarly for +Float64Slice and +StringSlice. +

+ +

+Package strings's Split function has +itself been split into Split and +SplitN. +SplitN is the same as the old Split. +The new Split is equivalent to SplitN with a final +argument of -1. +

+ +Package image/draw's +Draw function now takes an additional +argument, a compositing operator. +If in doubt, use draw.Over. +

+ +

Tools

+ +

+Goinstall now installs packages and commands from +arbitrary remote repositories (not just Google Code, Github, and so on). +See the goinstall documentation for details. +

+

r58 (released 2011/06/29)

diff --git a/doc/devel/weekly.html b/doc/devel/weekly.html index b576a910d..0fb6483f4 100644 --- a/doc/devel/weekly.html +++ b/doc/devel/weekly.html @@ -14,6 +14,226 @@ hg pull hg update weekly.YYYY-MM-DD +

2011-07-07 (base for r59)

+ +
+This weekly snapshot includes changes to the strings, http, reflect, json, and
+xml packages. Code that uses these packages will need changes. Most of these
+changes can be made automatically with gofix.
+
+The strings package's Split function has itself been split into Split and
+SplitN. SplitN is the same as the old Split. The new Split is equivalent to
+SplitN with a final argument of -1.
+
+The http package has a new FileSystem interface that provides access to files.
+The FileServer helper now takes a FileSystem argument instead of an explicit
+file system root. By implementing your own FileSystem you can use the
+FileServer to serve arbitrary data.
+
+The reflect package supports a new struct tag scheme that enables sharing of
+struct tags between multiple packages.
+In this scheme, the tags must be of the form:
+        key:"value" key2:"value2"
+reflect.StructField's Tag field now has type StructTag (a string type), which
+has method Get(key string) string that returns the associated value.
+Clients of json and xml will need to be updated. Code that says
+        type T struct {
+                X int "name"
+        }
+should become
+        type T struct {
+                X int `json:"name"`  // or `xml:"name"`
+        }
+Use govet to identify struct tags that need to be changed to use the new syntax.
+
+Other changes:
+* 5l, 6l, 8l: drop use of ed during build.
+* asn1: support T61 and UTF8 string.
+* bufio: do not cache Read errors (thanks Graham Miller).
+* build: make version.bash aware of branches.
+* cgi: don't depend on CGI.pm for tests.
+* codereview: make --ignore_hgpatch_failure work again,
+	restrict sync to default branch.
+* crypto/openpgp: add ability to reserialize keys,
+	bug fix (thanks Gideon Jan-Wessel Redelinghuys).
+* crypto/tls: fix generate_cert.go.
+* crypto/x509: prevent chain cycles in Verify.
+* csv: new package.
+* doc: remove ed from apt-get package list.
+* docs: fold the prog.sh scripting from makehtml into htmlgen itself.
+* ebnflint: better handling of stdin.
+* exp/regexp/syntax: new experimental RE2-based regexp implementation.
+* exp/template: a new experimental templating package.
+* fmt: add SkipSpace to fmt's ScanState interface.
+* fmt: rename errno and error to err for doc consistency.
+* gc: avoid package name ambiguity in error messages,
+	fix package quoting logic,
+	fixes for Plan 9 (thanks Lucio De Re).
+* go/build: evaluate symlinks before comparing path to GOPATH.
+* gob: use exported fields in structs in the package documentation.
+* godoc: ignore directories that begin with '.',
+	search GOPATH for documentation.
+* gofix: os/signal, path/filepath, and sort fixes (thanks Robert Hencke),
+* goinstall: add support for generic hosts (thanks Julian Phillips),
+	only report successfully-installed packages to the dashboard,
+	try to access via https (thanks Yasuhiro Matsumoto).
+* gotest: add -test.benchtime and -test.cpu flags.
+* html: fixes and improvements (thanks Yasuhiro Matsumoto).
+* http/cgi: add Handler.Dir to specify working directory (thanks Yasuhiro Matsumoto).
+* http: add StripPrefix handler wrapper,
+	assume ContentLength 0 on GET requests,
+	better handling of 0-length Request.Body,
+	do TLS handshake explicitly before copying TLS state,
+	document that ServerConn and ClientConn are low-level,
+	make NewChunkedReader public (thanks Andrew Balholm),
+	respect Handlers setting Connection: close in their response.
+* image: more tests, Paletted.Opaque optimization.
+* io.WriteString: if the object has a WriteString method, use it (thanks Evan Shaw).
+* ld: elide the Go symbol table when using -s (thanks Anthony Martin).
+* ld: fix ELF strip by removing overlap of sections (thanks Gustavo Niemeyer).
+* mime/multipart: parse LF-delimited messages, not just CRLF.
+* mime: permit lower-case media type parameters (thanks Pascal S. de Kloe).
+* misc/dashboard: new features and improvements (not yet deployed).
+* misc/emacs: update list of builtins (thanks Quan Yong Zhai).
+* misc/vim: allow only utf-8 for file encoding (thanks Yasuhiro Matsumoto).
+* os: fix documentation for FileInfo.Name,
+	simplify WriteString,
+	use a different symbol from syscall in mkunixsignals.sh.
+* path/filepath: enable TestWalk to run on windows (thanks Alex Brainman).
+* reflect: add MethodByName,
+	allow Len on String values.
+* regexp: document that Regexp is thread-safe.
+* runtime/cgo: check for errors from pthread_create (thanks Albert Strasheim).
+* runtime: add Semacquire/Semrelease benchmarks,
+	improved Semacquire/Semrelease implementation,
+	windows/amd64 port (thanks Wei Guangjing).
+* sync: add fast path to Once,
+	improve Mutex to allow successive acquisitions,
+	new and improved benchmarks.
+* syscall: regenerate zerrors for darwin/linux/freebsd,
+	support for tty options in StartProcess (thanks Ken Rockot).
+* testing: make ResetTimer not start/stop the timer,
+	scale benchmark precision to 0.01ns if needed.
+* time: zero-pad two-digit years.
+* unicode/maketables: update debugging data.
+* windows: define and use syscall.Handle (thanks Wei Guangjing).
+* xml: add Marshal and MarshalIndent.
+
+ +

2011-06-23

+ +
+This release includes a language change that restricts the use of goto.
+In essence, a "goto" statement outside a block cannot jump to a label inside
+that block. Your code may require changes if it uses goto.
+This changeset shows how the new rule affected the Go tree:
+	http://code.google.com/p/go/source/detail?r=dc6d3cf9279d
+
+The os.ErrorString type has been hidden. If your code uses os.ErrorString it
+must be changed. Most uses of os.ErrorString can be replaced with os.NewError.
+
+Other changes:
+* 5c: do not use R9 and R10.
+* 8l: more fixes for Plan 9 (thanks Lucio De Re).
+* build: Make.ccmd: link with mach lib (thanks Joe Poirier).
+* build: exclude packages that fail on Plan 9 (thanks Anthony Martin).
+* cc: nit: silence comment warnings (thanks Dave Cheney).
+* codereview.py: note that hg change -d abandons a change list (thanks Robert Hencke).
+* crypto/openpgp: add ElGamal support.
+* doc/faq: add question about converting from []T to []interface{}.
+* doc: Effective Go: fix variadic function example (thanks Ben Lynn).
+* exec: LookPath should not search %PATH% for files like c:cmd.exe (thanks Alex Brainman),
+        add support for Plan 9 (thanks Anthony Martin),
+        better error message for windows LookPath (thanks Alex Brainman).
+* fmt: catch panics from calls to String etc.
+* gc: descriptive panic for nil pointer -> value method call,
+        implement goto restriction,
+        unsafe.Alignof, unsafe.Offsetof, unsafe.Sizeof now return uintptr.
+* go/build: include Import objects in Script Inputs.
+* godefs: rudimentary tests (thanks Robert Hencke).
+* goinstall: refactor and generalize repo handling code (thanks Julian Phillips),
+        temporarily use Makefiles by default (override with -make=false).
+* gopprof: update list of memory allocators.
+* http: add Server.ListenAndServeTLS,
+        buffer request.Write,
+        fix req.Cookie(name) with cookies in one header,
+        permit handlers to explicitly remove the Date header,
+        write Header keys with empty values.
+* image: basic test for the 16-bits-per-color-channel types.
+* io: clarify Read, ReadAt, Copy, Copyn EOF behavior.
+* ld: don't attempt to build dynamic sections unnecessarily (thanks Gustavo Niemeyer).
+* libmach: fix disassembly of FCMOVcc and FCOMI (thanks Anthony Martin),
+        fix tracing on linux (for cov) (thanks Anthony Martin).
+* mime: fix RFC references (thanks Pascal S. de Kloe).
+* misc/gobuilder: run make single-threaded on windows (thanks Alex Brainman).
+* misc/godashboard: Accept sub-directories for goinstall's report (thanks Yasuhiro Matsumoto).
+* nacl, tiny: remove vestiges (thanks Robert Hencke).
+* net, syscall: interface for windows (thanks Yasuhiro Matsumoto).
+* os: change Waitmsg String method to use pointer receiver (thanks Graham Miller).
+* runtime: don't use twice the memory with grsec-like kernels (thanks Gustavo Niemeyer),
+* spec: disallow goto into blocks.
+* sync: restore GOMAXPROCS during benchmarks.
+* syscall: add LSF support for linux (thanks Mikio Hara),
+        add socket control message support for darwin, freebsd, linux (thanks Mikio Hara),
+        add tty support to StartProcess (thanks Ken Rockot),
+        fix build for Sizeof change.
+* test: test of goto restrictions.
+* time: add support for Plan 9 (thanks Anthony Martin).
+
+ +

2011-06-16

+ +
+This release includes changes to the sort and image/draw packages that will
+require changes to client code.
+
+The sort.IntArray type has been renamed to IntSlice, and similarly for
+StringArray and Float64Array.
+
+The image/draw package’s Draw function now takes an additional argument,
+a compositing operator. If in doubt, use draw.Over.
+
+Other changes:
+* build: fix header files for Plan 9 (thanks Lucio De Re).
+* cgo: handle new Apple LLVM-based gcc from Xcode 4.2.
+* crypto/openpgp: add ability to encrypt and sign messages.
+* doc/gopher: add goggled gopher logo for App Engine.
+* doc: Update notes for 3-day Go course.
+* exec: make LookPath work when PATHEXT var not set on Windows (thanks Alex Brainman).
+* exp/regexp/syntax: syntax data structures, parser, escapes, character classes.
+* exp/template: lexical scanner for new template package.
+* fmt: debugging formats for characters: %+q %#U.
+* gc: frame compaction for arm,
+        handle go print() and go println(),
+        work around goto bug.
+* go/build: fixes, self-contained tests.
+* go/printer, gofmt: print "select {}" on one line.
+* godoc: replace OS file system accesses in favor of a FileSystem interface.
+* gofix: fix inconsistent indentation in help output (thanks Scott Lawrence).
+* goinstall: use go/build package to scan and build packages.
+* http/spdy: improve error handling (thanks William Chan).
+* http: use runtime/debug.Stack() to dump stack trace on panic.
+* ld: dwarf emit filenames in debug_line header instead of as extended opcodes,
+        fix link Windows PE __declspec(dllimport) symbol (thanks Wei Guangjing),
+        make .rodata section read-only (thanks Gustavo Niemeyer).
+* mail: decode RFC 2047 "B" encoding.
+* mime/multipart: remove temp files after tests on Windows (thanks Alex Brainman).
+* net: export all fields in Interface (thanks Mikio Hara),
+        rearrange source to run more tests on Windows (thanks Alex Brainman),
+        sendfile for win32 (thanks Yasuhiro Matsumoto).
+* os: Plan 9, fix OpenFile & Chmod, add Process.Kill (thanks Yuval Pavel Zholkover).
+* runtime: fix Plan 9 "lingering goroutines bug" (thanks Yuval Pavel Zholkover).
+* spec: clarify rules for append, scope rules for :=,
+        specify constant conversions,
+        unsafe.Alignof/Offsetof/Sizeof return uintptr.
+* syscall, os, exec: add *syscall.SysProcAttr field to os.ProcAttr and exec.Cmd.
+* syscall: add ptrace on darwin (thanks Jeff Hodges),
+        mksyscall_windows.pl should output unix newline (thanks Yasuhiro Matsumoto).
+        update BPF support for BSD variants (thanks Mikio Hara),
+        use strict in perl scripts (thanks Yasuhiro Matsumoto).
+* xml: handle non-string attribute fields (thanks Maxim Ushakov).
+
+

2011-06-09 (base for r58)

diff --git a/doc/effective_go.html b/doc/effective_go.html
index 972772d33..2ecef44f4 100644
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -233,9 +233,9 @@ Since the whole declaration is presented, such a comment can often be perfunctor
 
 // Error codes returned by failures to parse an expression.
 var (
-    ErrInternal      = os.NewError("internal error")
-    ErrUnmatchedLpar = os.NewError("unmatched '('")
-    ErrUnmatchedRpar = os.NewError("unmatched ')'")
+    ErrInternal      = os.NewError("regexp: internal error")
+    ErrUnmatchedLpar = os.NewError("regexp: unmatched '('")
+    ErrUnmatchedRpar = os.NewError("regexp: unmatched ')'")
     ...
 )
 

@@ -350,7 +350,7 @@ Both names read well in practice:
 
 owner := obj.Owner()
 if owner != user {
-	obj.SetOwner(user)
+    obj.SetOwner(user)
 }
 

 
@@ -2245,7 +2245,7 @@ we would write job.Logger.
 This would be useful if we wanted to refine the methods of Logger.
 

 
-func (job *Job) Logf(format string, args ...) {
+func (job *Job) Logf(format string, args ...interface{}) {
     job.Logger.Logf("%q: %s", job.Command, fmt.Sprintf(format, args))
 }
 

@@ -2673,6 +2673,13 @@ it is much more informative than the plain
 "no such file or directory".
 

 
+

+When feasible, error strings should identify their origin, such as by having
+a prefix naming the package that generated the error.  For example, in package
+image, the string representation for a decoding error due to an unknown format
+is "image: unknown format".
+

+
 

 Callers that care about the precise error details can
 use a type switch or a type assertion to look for specific
diff --git a/doc/go_mem.html b/doc/go_mem.html
index 906b858e8..a38828358 100644
--- a/doc/go_mem.html
+++ b/doc/go_mem.html
@@ -1,4 +1,5 @@
 
+