
plschr: Set character size 

DESCRIPTION:

	This sets up the size of all subsequent characters drawn.  The actual
	height of a character is the product of the default character size and
	a scaling factor. 

SYNOPSIS:

plschr(def, scale)

ARGUMENTS:

    def (PLFLT, input) :    The default height of a character in
        millimeters, should be set to zero if the default height is to
        remain unchanged. 

    scale (PLFLT, input) :      Scale factor to be applied to default to get
        actual character height. 
