code: def is_suprasegmental(char, strict=True):
  	
  	if (char in chart.suprasegmentals) or (char in chart.lengths):
  		return True
  
  	return is_tone(char, strict)
docs: Check whether the character is a suprasegmental according to the IPA spec.
  	This includes tones, word accents, and length markers.
  
  	In strict mode return True only if the diacritic is part of the IPA spec.