diff --git a/.hgtags b/.hgtags
index 9e2999dbf25..c83ea3a0dc0 100644
--- a/.hgtags
+++ b/.hgtags
@@ -106,4 +106,3 @@ b4a91b6933748db1a7150c06a1b55ad506e52906 weekly.2011-11-18
52ba9506bd993663a0a033c2bd68699e25d061ab weekly.2012-02-07
43cf9b39b6477d3144b0353ee91096e55db6107f weekly.2012-02-14
96bd78e7d35e892113bdfa1bdc392d3a5f2e644b weekly.2012-02-22
-96bd78e7d35e892113bdfa1bdc392d3a5f2e644b weekly
diff --git a/doc/devel/weekly.html b/doc/devel/weekly.html
index 032a1e90815..ba88c362599 100644
--- a/doc/devel/weekly.html
+++ b/doc/devel/weekly.html
@@ -14,6 +14,124 @@ hg pull
hg update weekly.YYYY-MM-DD
+2012-03-04
+
+
+This snapshot includes a major re-design of the go/build package.
+Its FindTree, ScanDir, Tree, and DirInfo types have been replaced with the
+Import and Package types. There is no gofix. Code that uses go/build will need
+to be updated manually to use the package's new interface.
+
+Other changes:
+* 6a/6l: add IMUL3Q and SHLDL.
+* all: remove unused unexported functions and constants (thanks Rémy Oudompheng).
+* build: add GO_ prefix to LDFLAGS and GCFLAGS (thanks Gustavo Niemeyer).
+* cmd/cc: fix an out of bounds array access (thanks Anthony Martin),
+ grow some global arrays.
+* cmd/dist: force line-buffering stdout/stderr on Unix (thanks Shenghou Ma),
+ recognize CC="ccache clang" as clang.
+* cmd/go: avoid repeated include dirs (thanks Rémy Oudompheng),
+ fix -I flag for gc command (thanks Gustavo Niemeyer),
+ fix verbose command displaying (thanks Gustavo Niemeyer),
+ fixes for gccgo (thanks Rémy Oudompheng),
+ many fixes,
+ test -i should not disable -c (thanks Shenghou Ma).
+* cmd/vet: don't give error for Printf("%+5.2e", x) (thanks Shenghou Ma).
+* cmd/yacc/units.y: update comment, give better error messages when $GOROOT not set (thanks Shenghou Ma).
+* crypto/tls: force OS X target version to 10.6 for API compatibility (thanks Mikkel Krautz).
+* crypto/x509: fix typo in Verify documentation (thanks Mikkel Krautz).
+* dist: treat CC as one unit (thanks Scott Lawrence).
+* doc/go1: add justification discussions to major changes,
+ minor corrections and updates.
+* doc: describe API changes to go/build,
+ elaborate available checks for cmd/vet (thanks Shenghou Ma),
+ expand code.html to discuss the go tool in more depth,
+ instruct FreeBSD/Linux users to rm the old version first,
+ remove Go for C++ Programmers,
+ remove roadmap document,
+ remove tutorial,
+ update codelab/wiki to Go 1 (thanks Shenghou Ma),
+* encoding/gob: fix "// +build" comment for debug.go (thanks Shenghou Ma),
+ more hardening for lengths of input strings.
+* encoding/json: drop MarshalForHTML; gofix calls to Marshal,
+ escape output from Marshalers.
+* encoding/xml: fix anonymous field Unmarshal example (thanks Gustavo Niemeyer),
+ fix xml test tag usage (thanks Gustavo Niemeyer).
+* gc: disallow absolute import paths,
+ fix escape analysis + inlining + closure bug,
+ fix string comparisons for new bool rules (thanks Anthony Martin),
+ reject import paths containing special characters (thanks Anthony Martin).
+* go/ast: examples for ast.Print, ast.Inspect.
+* go/doc, godoc: fix range of type declarations.
+* go/parser: check import path restrictions,
+ expand test cases for bad import.
+* go/printer, gofmt: improved comment placement.
+* go/printer: fix printing of variadic function calls (thanks Anthony Martin),
+ fix test for new import path restrictions (thanks Anthony Martin),
+ replace multiline logic,
+ simpler exprList code, more tests.
+* godoc: add Examples link to top-level index,
+ bring back highlighting, selections, and alerts,
+ consistent placement of documentation sections,
+ don't show directories w/o packages in flat dir mode,
+ don't show testdata directories,
+ fix codewalks.
+* gotype: provide -comments flag.
+* html/template: make doctype check case-insensitive (thanks Scott Lawrence),
+ use correct method signature in introduction example (thanks Mike Rosset).
+* io: document that I/O is not necessarily safe for parallel access.
+* ld: allow more -L options (thanks Shenghou Ma),
+ fix alignment of rodata section.
+* misc: add zsh completion for go tool (thanks Rémy Oudompheng).
+* misc/bash: Completion for go tool (thanks Yissakhar Z. Beck).
+* misc/dashboard: fix bug in UI template,
+ record install counts for external packages.
+* misc/dist: implement binary distribution scripts in go.
+* misc/gobuilder: send commit time in RFC3339 format.
+* misc/xcode: move Xcode3 specific files into sub directory.
+* net/http/cgi: add an empty response test,
+ fix empty response.
+* net/http/httptest: make Server.Close wait for outstanding requests to finish.
+* net/http/httputil: fix DumpRequestOut on https URLs,
+ make https DumpRequestOut less racy.
+* net/http: add overlooked 418 status code, per RFC 2324,
+ fix ProxyFromEnvironment bug, docs, add tests,
+ make a test more paranoid & reliable on Windows.
+* net/rpc: silence read error on closing connection.
+* net: add stubs for NetBSD (thanks Benny Siegert),
+ make -external flag for tests default to true (thanks Mikio Hara),
+ reorganize test files (thanks Mikio Hara).
+* os: diagnose chdir error during StartProcess,
+ implement UserTime/SystemTime on windows (thanks Alex Brainman),
+ implement sameFile on windows (thanks Alex Brainman),
+ release process handle at the end of windows (*Process).Wait (thanks Alex Brainman),
+ sleep 5ms after process has exited on windows (thanks Alex Brainman).
+* path/filepath: note that SplitList is different from strings.Split,
+ steer people away from HasPrefix.
+* reflect: don't panic comparing functions in DeepEqual.
+ make Value.Interface return immutable data.
+* runtime/pprof: support OS X CPU profiling.
+* runtime: add sanity checks to the runtime-gdb.py prettyprinters,
+ check for ARM syscall failures (thanks Shenghou Ma),
+ darwin and linux signal masking,
+ run init on main thread,
+ size arena to fit in virtual address space limit.
+* spec: allow disallow of \uFFFD in import path,
+ apply method sets, embedding to all types, not just named types,
+ clarifications around exports, uniqueness of identifiers,
+ import path implementation restriction,
+ inside functions, variables must be evaluated,
+ use the term "lexical token" (rather then "lexical symbol").
+* sync: add Once example, remove old WaitGroup example.
+* test/bench/shootout: update post-Makefile.
+* test: add documentation, misc fixes.
+* testing: add -test.example flag to control execution of examples.
+* text/template: add example showing use of custom function,
+ add examples that use multiple templates,
+ fix redefinition bugs.
+* time: add a comment about how to use the Duration constants.
+
+
2012-02-22