[css-grid-3] Rename 'item-tolerance' to 'flow-tolerance' (w3c#13313)

Fixes w3c#10884

Author: nt1m

css-grid-3/Overview.bs

@@ -261,7 +261,7 @@ Reordering and Accessibility</h3>
 	(placing the next item endward of the current item in at least one axis,
 	matching the natural “reading order”),
 	it can switch between endward in the inline or block axis in a seemingly arbitrary manner.
-	In simple cases, the 'item-tolerance' property can help reduce
+	In simple cases, the 'flow-tolerance' property can help reduce
 	the feeling of backtracking due to small sizing differences in the [=stacking axis=]
 	when laying out auto-placed items.
 	But when [[#grid-lanes-layout-algorithm|auto-placement]] is mixed with [=definite position|explicit placement=] or spanning items,
@@ -321,7 +321,7 @@ Reordering and Accessibility</h3>
 
 	<div class=note>
 		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=].
 
 <h3 id=placement-tolerance oldids="item-slack">
-Placement Precision: the 'item-tolerance' property</h3>
+Placement Precision: the 'flow-tolerance' property</h3>
 
 	<pre class=propdef>
-	Name: item-tolerance
+	Name: flow-tolerance
 	Value: normal | <<length-percentage>> | 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</h3>
 	it can look strange to have them not fill in order,
 	as the height differences aren't perceived as <em>meaningfully</em> 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.
 
-	<dl dfn-type=value dfn-for=item-slack>
+	<dl dfn-type=value dfn-for=flow-tolerance>
 		: <dfn><<length-percentage>></dfn>
 		:: Specifies the <dfn dfn for="grid lanes">tie threshold</dfn>
 			for the [=grid lanes container=].
@@ -836,8 +836,6 @@ Placement Precision: the 'item-tolerance' property</h3>
 		only the fourth column is a possible placement.
 	</div>
 
-	ISSUE(10884): The CSSWG is open to better names for this property.
-
 	Note: We expect to apply this property to [=flex layout=] in the future also,
 	see <a href='https://github.com/w3c/csswg-drafts/issues/3071'>discussions</a>
 	on how that might work.
@@ -1332,8 +1330,8 @@ Appendix A: Generic Layout Item Flow Controls: the 'item-*' properties</h2>
 			<td>
 			<td>'grid-auto-flow'
 		<tr>
-			<td>'item-tolerance'
-			<td>'item-tolerance'
+			<td>'flow-tolerance'
+			<td>'flow-tolerance'
 			<td>normal | <<length-percentage>> | infinite
 			<td>
 				Defines a layout-specific amount of “slack” in placement decisions.
@@ -1534,7 +1532,7 @@ Item Placement Shorthand: the 'item-flow' shorthand</h3>
 
 	<pre class="propdef shorthand">
 	Name: item-flow
-	Value: <<'item-direction'>> || <<'item-wrap'>> || <<'item-pack'>> || <<'item-tolerance'>>
+	Value: <<'item-direction'>> || <<'item-wrap'>> || <<'item-pack'>> || <<'flow-tolerance'>>
 	</pre>
 
 	This [=shorthand property=] sets all its 'item-*' [=longhand properties=]
@@ -1598,7 +1596,6 @@ Recent Changes</h3>
 
 	The following changes have been made since the
 	<a href='https://www.w3.org/TR/2025/WD-css-grid-3-20250917/'>17 September 2025 Working Draft</a>:
-
 	* Defined a new inner display type, ''display/grid-lanes'', to establish [=grid lanes layout=],
 		and updated spec vocabulary to match.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/12022">Issue 12022</a>)
@@ -1608,6 +1605,8 @@ Recent Changes</h3>
 		(<a href="https://github.com/w3c/csswg-drafts/issues/12899">Issue 12899</a>)
 	* Floored the contribution of items to a track's [=running position=] at zero.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/12918">Issue 12918</a>)
+    * Renamed ''item-tolerance'' to ''flow-tolerance''.
+        (<a href="https://github.com/w3c/csswg-drafts/issues/10884">Issue 10884</a>)
 
 	See also <a href="https://www.w3.org/TR/2025/WD-css-grid-3-20250917/#recent-changes">earlier changes</a>.
 
@@ -1782,18 +1781,18 @@ item-placement/grid-lanes-item-placement-006.html
 item-placement/grid-lanes-item-placement-007.html
 item-placement/grid-lanes-item-placement-008.html
 item-placement/grid-lanes-rows-with-grid-width-changed.html
-item-placement/item-tolerance/column-initial-item-tolerance.html
-item-placement/item-tolerance/column-item-tolerance-infinite.html
-item-placement/item-tolerance/item-tolerance-column-001.html
-item-placement/item-tolerance/item-tolerance-column-002.html
-item-placement/item-tolerance/item-tolerance-column-003.html
-item-placement/item-tolerance/item-tolerance-column-004.html
-item-placement/item-tolerance/item-tolerance-row-001.html
-item-placement/item-tolerance/item-tolerance-row-002.html
-item-placement/item-tolerance/item-tolerance-row-003.html
-item-placement/item-tolerance/item-tolerance-row-004.html
-item-placement/item-tolerance/row-initial-item-tolerance.html
-item-placement/item-tolerance/row-item-tolerance-infinite.html
+item-placement/flow-tolerance/column-initial-flow-tolerance.html
+item-placement/flow-tolerance/column-flow-tolerance-infinite.html
+item-placement/flow-tolerance/flow-tolerance-column-001.html
+item-placement/flow-tolerance/flow-tolerance-column-002.html
+item-placement/flow-tolerance/flow-tolerance-column-003.html
+item-placement/flow-tolerance/flow-tolerance-column-004.html
+item-placement/flow-tolerance/flow-tolerance-row-001.html
+item-placement/flow-tolerance/flow-tolerance-row-002.html
+item-placement/flow-tolerance/flow-tolerance-row-003.html
+item-placement/flow-tolerance/flow-tolerance-row-004.html
+item-placement/flow-tolerance/row-initial-flow-tolerance.html
+item-placement/flow-tolerance/row-flow-tolerance-infinite.html
 item-placement/row-auto-placement-001.html
 item-placement/row-auto-placement-002.html
 item-placement/row-auto-placement-max-content.html
@@ -1866,9 +1865,9 @@ parsing/grid-lanes-shorthand-computed.html
 parsing/grid-lanes-shorthand-invalid.html
 parsing/grid-lanes-shorthand-serialization.html
 parsing/grid-lanes-shorthand-valid.html
-parsing/item-tolerance-computed.html
-parsing/item-tolerance-invalid.html
-parsing/item-tolerance-valid.html
+parsing/flow-tolerance-computed.html
+parsing/flow-tolerance-invalid.html
+parsing/flow-tolerance-valid.html
 row-empty-grid-lanes-container-001.html
 row-empty-grid-lanes-container-002.html
 row-min-max-content-container.html