-// If include_fixed_spacing is false, the only constraints that will be measured
-// here are those that result from collisions (+ padding). That is, all
-// minimum-distances, line-break-system-details, basic-distance+stretchable=0
-// constraints will be ignored.
-// - If you want to find the minimum height of a system, include_fixed_spacing should be true.
-// - If you're going to actually lay out the page, then it should be false (or
-// else centered dynamics will break when there is a fixed alignment).
+// If include_fixed_spacing is true, the manually fixed spacings
+// induced by stretchable=0 or alignment-distances are included
+// in the minimum translations here. If you want to find the minimum
+// height of a system, include_fixed_spacing should be true. If you
+// want to actually lay out the page, then it should be false (or
+// else centered dynamics will break when there is a fixed alignment).