@@ -60,7 +60,7 @@ Strong Containment: the 'contain' property</h2>
6060 Value : none | strict | content | [ size || layout || style || paint ]
6161 Initial : none
6262 Inherited : no
63- Applies to : all elements
63+ Applies to : See <a href="#contain-applies">below<a/>
6464 Computed value : specified keyword(s)
6565 Animation type : not animatable
6666 </pre>
@@ -129,6 +129,12 @@ Strong Containment: the 'contain' property</h2>
129129 its descendants are also guaranteed to be not visible.
130130 </dl>
131131
132+ <span id="contain-applies"> This property generally applies to all elements (including [[css-pseudo-4#generated-content]] )</span> ,
133+ although some types of containment have no effect on some elements,
134+ as detailed in [[#containment-types]] .
135+ In addition, in the case of [[SVG11]] ,
136+ the 'contain' property only applies to <{svg}> elements that have an associated CSS layout box.
137+
132138 <div class='example'>
133139 'contain' is useful when used widely on a page,
134140 particularly when a page contains a lot of "widgets" which are all independent.
@@ -545,6 +551,7 @@ This appendix is <em>informative</em>.
545551* Size containment does not apply to tables
546552* Clarify that the columns and grid properties affect the size of size-contained elements
547553* Change the animation type of the contain property from discrete to not animatable
554+ * Define the effect of containment on SVG elements
548555* Editorial improvements
549556
550557<h3 id="2017-08-08-changes">Changes from the
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