clarify contains() for https://www.w3.org/Bugs/Public/show_bug.cgi?id…

…=18358
whatwg · Sep 11, 2012 · ce51af9 · ce51af9
1 parent 8a77e6f
commit ce51af9
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/Overview.src.html b/Overview.src.html
@@ -3337,7 +3337,8 @@ <h3>Interface <code>Node</code></h3>
 <dfn title=dom-Node-contains><code>contains(<var title>other</var>)</code></dfn>
 method must return true if <var title>other</var> is an
 <span title=concept-tree-inclusive-descendant>inclusive descendant</span> of
-the <span>context object</span>, or false otherwise.
+the <span>context object</span>, or false otherwise (including when
+<var title>other</var> is null).
 
 <hr>
 

diff --git a/dom-core.html b/dom-core.html
@@ -3378,7 +3378,8 @@ <h3 id="interface-node"><span class="secno">5.3 </span>Interface <code><a href="
 <dfn id="dom-node-contains" title="dom-Node-contains"><code>contains(<var title="">other</var>)</code></dfn>
 method must return true if <var title="">other</var> is an
 <a href="#concept-tree-inclusive-descendant" title="concept-tree-inclusive-descendant">inclusive descendant</a> of
-the <a href="#context-object">context object</a>, or false otherwise.
+the <a href="#context-object">context object</a>, or false otherwise (including when
+<var title="">other</var> is null).
 
 <hr>