| 
	    plgchr
	  ( | p_def, | 
| p_ht ); | 
Get character default height and current (scaled) height.
p_def
	  (PLFLT_NC_SCALARReturned value of the default character height (mm).
p_ht
	  (PLFLT_NC_SCALARReturned value of the scaled character height (mm).
      Redacted form: plgchr(p_def, p_ht)
    
This function is used in example 23.