| 
	    pllab
	  ( | xlabel, | 
| ylabel, | |
| tlabel ); | 
      Routine for writing simple labels. Use plmtex for more complex
      labels.
    
xlabel
	  (PLCHAR_VECTORA UTF-8 character string specifying the label for the x axis.
ylabel
	  (PLCHAR_VECTORA UTF-8 character string specifying the label for the y axis.
tlabel
	  (PLCHAR_VECTORA UTF-8 character string specifying the title of the plot.
      Redacted form: pllab(xlabel, ylabel, tlabel)
    
This function is used in examples 1, 5, 9, 12, 14-16, 20-22, and 29.