// Name must either be an empty string or pass DNS_LABEL validation:
  // * must be no more than 63 characters long.
  // * must consist of lower case alphanumeric characters or '-'.
  // * must start and end with an alphanumeric character.
  // Default is empty string.
  optional string name = 1;

  // protocol represents the IP protocol for this port.
  // Must be UDP, TCP, or SCTP.

  // Name must either be an empty string or pass DNS_LABEL validation:
  // * must be no more than 63 characters long.
  // * must consist of lower case alphanumeric characters or '-'.
  // * must start and end with an alphanumeric character.
  // Default is empty string.
  optional string name = 1;

  // protocol represents the IP protocol for this port.
  // Must be UDP, TCP, or SCTP.

  // as well as providing an identifier for logging purposes. A good name should be descriptive of
  // the associated expression.
  // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or
  // '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an

  // as well as providing an identifier for logging purposes. A good name should be descriptive of
  // the associated expression.
  // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or
  // '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an

  // as well as providing an identifier for logging purposes. A good name should be descriptive of
  // the associated expression.
  // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or
  // '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an

  // refers to; it MUST be the same name returned by the CSI GetPluginName()
  // call for that driver.
  // The driver name must be 63 characters or less, beginning and ending with
  // an alphanumeric character ([a-z0-9A-Z]) with dashes (-), dots (.), and
  // alphanumerics between.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // refers to; it MUST be the same name returned by the CSI GetPluginName()
  // call for that driver.
  // The driver name must be 63 characters or less, beginning and ending with
  // an alphanumeric character ([a-z0-9A-Z]) with dashes (-), dots (.), and
  // alphanumerics between.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

not just CGO_CFLAGS_ALLOW='-mfoo'. Similarly named variables control
the allowed CPPFLAGS, CXXFLAGS, FFLAGS, and LDFLAGS.

Also for security reasons, only a limited set of characters are
permitted, notably alphanumeric characters and a few symbols, such as
'.', that will not be interpreted in unexpected ways. Attempts to use
forbidden characters will get a "malformed #cgo argument" error.

  // If not set to true, the field can be modified at any time.
  // Defaulted to nil.
  // +optional
  optional bool immutable = 4;

  // Data contains the configuration data.
  // Each key must consist of alphanumeric characters, '-', '_' or '.'.
  // Values with non-UTF-8 byte sequences must use the BinaryData field.
  // The keys stored in Data must not overlap with the keys in

	}
	return b
}

// isSeparator reports whether the rune could mark a word boundary.
// TODO: update when package unicode captures more of the properties.
func isSeparator(r rune) bool {
	// ASCII alphanumerics and underscore are not separators
	if r <= 0x7F {
		switch {
		case '0' <= r && r <= '9':
			return false
		case 'a' <= r && r <= 'z':
			return false
		case 'A' <= r && r <= 'Z':
			return false