*   Added --print-join-command flag for kubeadm token create. ([#56185](https://github.com/kubernetes/kubernetes/pull/56185),[ @mattmoyer](https://github.com/mattmoyer))

</pre>
<pre>
a
_x9
ThisVariableIsExported
αβ
</pre>

<p>
Some identifiers are <a href="#Predeclared_identifiers">predeclared</a>.
</p>


<h3 id="Keywords">Keywords</h3>

<p>
The following keywords are reserved and may not be used as identifiers.
</p>
<pre class="grammar">
break        default      func         interface    select
case         defer        go           map          struct

#### CustomResourceDefinition Defaulting

CustomResourceDefinitions also have new support for defaulting, with defaults specified using the `default` keyword in the OpenAPI validation schema. Defaults are set for unspecified fields in an object sent to the API, and when reading from etcd.

Defaulting will be available as alpha in Kubernetes 1.15 and requires structural schemas.

// T.Kabu <******@****.***>
daemon.asia
dix.asia
mydns.bz
0am.jp
0g0.jp
0j0.jp
0t0.jp
mydns.jp
pgw.jp
wjg.jp
keyword-on.net
live-on.net
server-on.net
mydns.tw
mydns.vc

// Futureweb GmbH : https://www.futureweb.at
// Submitted by Andreas Schnederle-Wagner <******@****.***>
*.futurecms.at

    <alias type="application/x-kspread"/>
    <_comment>KSpread File</_comment>
    <glob pattern="*.ksp"/>
  </mime-type>

  <mime-type type="application/vnd.kde.kword">
    <alias type="application/x-kword"/>
    <_comment>KWord File</_comment>
    <glob pattern="*.kwd"/>
    <glob pattern="*.kwt"/>
  </mime-type>

  <mime-type type="application/vnd.kenameaapp">
    <glob pattern="*.htke"/>

- To enhance usability and developer experience, CRD validation rules now support direct use of (CEL) reserved keywords as field names in object validation expressions.

- To enhance usability and developer experience, CRD validation rules now support direct use of (CEL) reserved keywords as field names in object validation expressions for existing expressions in storage, will fully support runtime in next release for compatibility concern. ([#126188](https://github.com/kubernetes/kubernetes/pull/126188), [@cici37](https://github.com/cici37))...

  - `CustomPodDNS`
  - `HugePages`
  - `MountPropagation`
  - `PersistentLocalVolumes`
- CoreDNS: The following directives or keywords are deprecated and will be removed in v1.15:
  - `upstream` option of `kubernetes` plugin, becoming default behavior in v1.15.
  - `proxy` plugin replaced by `forward` plugin

## Removed and deprecated metrics

pkg go/constant, func Make(interface{}) Value
pkg go/constant, func Val(Value) interface{}
pkg go/token, func IsExported(string) bool
pkg go/token, func IsIdentifier(string) bool
pkg go/token, func IsKeyword(string) bool
pkg go/types, func CheckExpr(*token.FileSet, *Package, token.Pos, ast.Expr, *Info) error
pkg log, func Writer() io.Writer
pkg log/syslog (netbsd-arm64-cgo), const LOG_ALERT = 1