// RUN: %target-parse-verify-swift

class 你好 {
  class שלום {
    class வணக்கம் {
      class Γειά {
        class func привет() {
          println("hello")
        }
      }
    }
  }
}

你好.שלום.வணக்கம்.Γειά.привет()

// Identifiers cannot start with combining chars.
.́duh() // expected-error 2{{an identifier cannot begin with this character}} // expected-error{{expected identifier after '.' expression}}

// Combining characters can be used within identifiers.
func s̈pin̈al_tap̈() {}

// Private-use characters aren't valid in Swift source.
() // expected-error{{invalid character in source file}}

// Placeholders are recognized as identifiers but with error.
func <#some name#>() {} // expected-error 2 {{editor placeholder in source file}}