SPEAK expression [ , expression ]
    
   Synopsis:
      Converts text to speech (TTS)
    
   Notes:
      Equivalent to the Axmud client command ';speak'. The first expression is 
         the text to read aloud. 
      The second expression, if specified, is the text-to-speech configuration 
         to use. If no configuration is specified or if the specified 
         configuration doesn't exist, the default configuration for Axbasic 
         ('script') is used.
    
   Examples:
      SPEAK "Hello, world!"
      SPEAK "Hello, world!", "flite"
