Techniques for reducing backtracking include: - * Using appropriate values for 'item-tolerance', + * Using appropriate values for 'flow-tolerance', i.e. values large enough to avoid gratuitous differentiation among similarly-sized tracks, but not so large that meaningful differences get ignored. * Using explicit placement in ways that help group related items together, @@ -761,10 +761,10 @@ Specifying Grid Axis Item Placement: the 'grid-column-*' and 'grid-row-*' proper and establish placement just as in regular [=grid layout=].

-Placement Precision: the 'item-tolerance' property

+Placement Precision: the 'flow-tolerance' property

-	Name: item-tolerance
+	Name: flow-tolerance
 	Value: normal | <> | infinite
 	Initial: normal
 	Percentages: relative to the [=grid-axis=] [=content box=] size of the [=grid lanes container=]
@@ -783,11 +783,11 @@ Placement Precision: the 'item-tolerance' property
 	it can look strange to have them not fill in order,
 	as the height differences aren't perceived as meaningfully different.
 
-	The 'item-tolerance' property specifies what the threshold is
+	The 'flow-tolerance' property specifies what the threshold is
 	for considering tracks to be “the same height”,
 	causing them to fill in order.
 
-	

+	

 		: <>
 		:: Specifies the tie threshold
 			for the [=grid lanes container=].
@@ -836,8 +836,6 @@ Placement Precision: the 'item-tolerance' property
 		only the fourth column is a possible placement.
 	

 	Name: item-flow
-	Value: <<'item-direction'>> || <<'item-wrap'>> || <<'item-pack'>> || <<'item-tolerance'>>
+	Value: <<'item-direction'>> || <<'item-wrap'>> || <<'item-pack'>> || <<'flow-tolerance'>>