FIX: add notes

Change-Id: I230637e6c8b3cfe9e49655cf67f338f77a57732e

src/libslic3r/Print.cpp

@@ -958,6 +958,7 @@ StringObjectException Print::validate(StringObjectException *warning, Polygons*
                     const coordf_t eps = 0.5 * EPSILON; // layers closer than EPSILON will be merged later. Let's make
                     // this check a bit more sensitive to make sure we never consider two different layers as one.
                     while (i < layer_height_profiles[idx_object].size() && i < layer_height_profiles[tallest_object_idx].size()) {
+                        // BBS: remove the break condition, because a variable layer height object and a new object will not be checked when slicing 
                         //if (i % 2 == 0 && layer_height_profiles[tallest_object_idx][i] > layer_height_profiles[idx_object][layer_height_profiles[idx_object].size() - 2])
                         //    break;
                         if (std::abs(layer_height_profiles[idx_object][i] - layer_height_profiles[tallest_object_idx][i]) > eps)