Experimental fix for double adjustment of advance.

src/truetype/ttgxvar.c

@@ -2510,7 +2510,12 @@ Exit:
           FT_Pos  delta_y = FT_MulFix( deltas_y[j], apply );
 
 
-          outline->points[j].x += delta_x;
+          /* experimental fix for double adjustment of advance width */
+          /* adjust phantom point 2 only if there's no HVAR          */
+          /* TODO: handle LSB (pp1) and VVAR (pp3, pp4) too          */
+          if ( j != ( n_points - 3 ) || blend->hvar_checked == FALSE )
+            outline->points[j].x += delta_x;
+
           outline->points[j].y += delta_y;
 
 #ifdef FT_DEBUG_LEVEL_TRACE