go/build: update doc.go for go1.3 build tag.

LGTM=bradfitz
R=adg, rsc, bradfitz
CC=golang-codereviews
https://golang.org/cl/102470045

diff --git a/src/pkg/go/build/doc.go b/src/pkg/go/build/doc.go
index 83292f29f82fb423cd15fe1611d2ae4537e1f0b5..f17f76ccc7bb0566bd134966eb2f28713267429b 100644 (file)
--- a/src/pkg/go/build/doc.go
+++ b/src/pkg/go/build/doc.go
@@ -99,6 +99,7 @@
 //     - "cgo", if ctxt.CgoEnabled is true
 //     - "go1.1", from Go version 1.1 onward
 //     - "go1.2", from Go version 1.2 onward
+//     - "go1.3", from Go version 1.3 onward
 //     - any additional words listed in ctxt.BuildTags
 //
 // If a file's name, after stripping the extension and a possible _test suffix,