cmd/api: add exception file

Fixes build.

R=golang-dev, adg, bradfitz, dsymonds, dave
CC=golang-dev
http://codereview.appspot.com/6586074

2 files changed, 5 insertions, 0 deletions

diff --git a/api/README b/api/README
index 6adc55454..34b86efd9 100644
--- a/api/README
+++ b/api/README
@@ -5,6 +5,9 @@ Each file is a list of of API features, one per line.
 go1.txt (and similarly named files) are frozen once a version has been
 shipped. Each file adds new lines but does not remove any.
 
+except.txt lists features that may disappear without breaking
+true compatibility. The only package there is text/template/parse.
+
 next.txt is the only file intended to be mutated. It's a list of
 features that may be added to the next version. It only affects
 warning output from the go api tool.
diff --git a/api/except.txt b/api/except.txt
new file mode 100644
index 000000000..e9fb24b46
--- /dev/null
+++ b/api/except.txt
@@ -0,0 +1,2 @@
+pkg text/template/parse, type DotNode bool
+pkg text/template/parse, type Node interface { Copy, String, Type }