ScreenReaderOn=''
ScreenReaderOff=''
ChangeTTY=''
StartOfLine=''
EndOfLine=''
EmptyLine=''
StartOfScreen=''
EndOfScreen=''
ContentChanged=''
SpeechOn=''
SpeechOff=''
BrailleOn=''
BrailleOff=''
SoundIconsOn=''
SoundIconsOff=''