Tone library error on Arduino 1.5.4 (Win 8)

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What steps will reproduce the problem?
1.include tone library on arduino UNO
2. including #include <Tone.h>
3.

What is the expected output? What do you see instead?

Arduino: 1.5.4 (Windows NT (unknown)), Board: "Arduino Uno"

C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp: In member function 
'void Tone::begin(uint8_t)':
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:121: error: 
'bitWrite' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:123: error: 
'digitalPinToPort' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:123: error: 
'portOutputRegister' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:124: error: 
'digitalPinToBitMask' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp: In member function 
'void Tone::play(uint16_t, uint32_t)':
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:198: error: 
'OUTPUT' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:198: error: 
'pinMode' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:294: error: 
'bitWrite' was not declared in this scope
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp: In member function 
'void Tone::stop()':
C:\Users\Edoardo2\Documents\Arduino\libraries\Tone\Tone.cpp:361: error: 
'digitalWrite' was not declared in this scope




What version of the product are you using? On what operating system?

Arduino 1.5.4 on Windows 8

Please provide any additional information below.
I have added "#include <Arduino.h>"  to the Tone.ccp file.

Original issue reported on code.google.com by Edoardo....@gmail.com on 5 Oct 2013 at 2:21