go/build: document the go1.2 build tag

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/14930046

diff --git a/src/pkg/go/build/doc.go b/src/pkg/go/build/doc.go
index b5fc071d61a73b716f1db16a1ec4bba8a206bf99..b2f04ea45cf9434b70421edb8f4da713c854627e 100644 (file)
--- a/src/pkg/go/build/doc.go
+++ b/src/pkg/go/build/doc.go
@@ -94,6 +94,7 @@
 //     - the compiler being used, either "gc" or "gccgo"
 //     - "cgo", if ctxt.CgoEnabled is true
 //     - "go1.1", from Go version 1.1 onward
+//     - "go1.2", from Go version 1.2 onward
 //     - any additional words listed in ctxt.BuildTags
 //
 // If a file's name, after stripping the extension and a possible _test suffix,