186 double troffscale;		/* scaling factor at output time */  variable
528       if ((troffscale = rightpoint - leftpoint) < 0.1)  in conv()
529 	troffscale = 0.1;  in conv()
530       troffscale = (width != 0.0) ?  in conv()
531 	  width / (troffscale * SCREENtoINCH) : BIG;  in conv()
532       if (temp == BIG && troffscale == BIG)  in conv()
533 	troffscale = xscale;  in conv()
535 	if (temp < troffscale)  in conv()
536 	  troffscale = temp;  in conv()
543 	  tsize[i] = (int) (troffscale * (double) tsize[i] + 0.5);  in conv()
547       troffscale *= SCREENtoINCH * res;		/* from screen units */  in conv()
549       ytop = (int) (toppoint * troffscale);		/* calculate integer */  in conv()
550       ybottom = (int) (bottompoint * troffscale);	/* versions of the   */  in conv()
551       xleft = (int) (leftpoint * troffscale);		/* picture limits    */  in conv()
552       xright = (int) (rightpoint * troffscale);  in conv()