--- a/canvas.d	Sat Jul 11 21:49:04 2009 +0930
+++ b/canvas.d	Sat Jul 11 22:06:09 2009 +0930
@@ -283,7 +283,7 @@
 
             Point view_left_bottom = Point(gtk_adjustment_get_value(h_gtkAdjustment),
                                              gtk_adjustment_get_value(v_gtkAdjustment));
-            writefln("%s", view_left_bottom);
+            //writefln("%s", view_left_bottom);
             Vector model_size = screen_to_model(mViewSize);
             mViewCentre = view_left_bottom + model_size / 2.0;
 
@@ -353,7 +353,7 @@
         double model_to_screen(double model) { return mZoom * model; }
         double screen_to_model(double screen) { return screen / mZoom; }
 
-        double clamp_zoom(double zoom) { return clamp(zoom, 0.1, 10.0); }
+        double clamp_zoom(double zoom) { return clamp(zoom, 0.02, 50.0); }
 
         static const Point ORIGIN;
         static const Vector INITIAL_PAGE_SIZE;