code: func AnnotationFromLexTag(l Lexeme, t POSTag, f AnnotationFixer) *Annotation {
  	a := &Annotation{
  		Lexeme:         l,
  		POSTag:         t,
  		DependencyType: NoDepType,
  		Lemma:          "",
  		Lowered:        strings.ToLower(l.Value),
  	}
  
  	// it's ok to panic - it will cause the tests to fail
  	if err := a.Process(f); err != nil {
  		panic(err)
  	}
  
  	return a
  }
docs: // AnnotationFromLexTag is only ever used in tests. Fixer is optional