[] (0) Fix a few more details around orphaned nested browsing contexts.

git-svn-id: http://svn.whatwg.org/webapps@5704 340c8d12-0b0e-0410-8428-c7bf67bfef74

complete.html

@@ -57057,8 +57057,9 @@ <h4 id=security-nav><span class=secno>6.1.4 </span>Security</h4>
    document</a> of <var title="">B</var>, or</li>
 
    <li>The browsing context <var title="">A</var> is a <a href=#nested-browsing-context>nested
-   browsing context</a> and its <a href=#top-level-browsing-context>top-level browsing
-   context</a> is <var title="">B</var>, or</li>
+   browsing context</a> with a <a href=#top-level-browsing-context>top-level browsing
+   context</a>, and its <a href=#top-level-browsing-context>top-level browsing context</a> is
+   <var title="">B</var>, or</li>
 
    <li>The browsing context <var title="">B</var> is an
    <a href=#auxiliary-browsing-context>auxiliary browsing context</a> and <var title="">A</var>
@@ -57170,8 +57171,8 @@ <h4 id=browsing-context-names><span class=secno>6.1.6 </span>Browsing context na
    context must be the current browsing context.</li>
 
    <li><p>If the given browsing context name is <code title="">_top</code>, then the chosen browsing context must be the
-   most <a href=#top-level-browsing-context>top-level browsing context</a> of the current
-   one.</li>
+   <a href=#top-level-browsing-context>top-level browsing context</a> of the current one, if
+   there is one, or else the current browsing context.</li>
 
    <li>
 

index

@@ -57038,8 +57038,9 @@ _:n2  hcard:adr%20street-address "Avenue Q" ;
    document</a> of <var title="">B</var>, or</li>
 
    <li>The browsing context <var title="">A</var> is a <a href=#nested-browsing-context>nested
-   browsing context</a> and its <a href=#top-level-browsing-context>top-level browsing
-   context</a> is <var title="">B</var>, or</li>
+   browsing context</a> with a <a href=#top-level-browsing-context>top-level browsing
+   context</a>, and its <a href=#top-level-browsing-context>top-level browsing context</a> is
+   <var title="">B</var>, or</li>
 
    <li>The browsing context <var title="">B</var> is an
    <a href=#auxiliary-browsing-context>auxiliary browsing context</a> and <var title="">A</var>
@@ -57151,8 +57152,8 @@ _:n2  hcard:adr%20street-address "Avenue Q" ;
    context must be the current browsing context.</li>
 
    <li><p>If the given browsing context name is <code title="">_top</code>, then the chosen browsing context must be the
-   most <a href=#top-level-browsing-context>top-level browsing context</a> of the current
-   one.</li>
+   <a href=#top-level-browsing-context>top-level browsing context</a> of the current one, if
+   there is one, or else the current browsing context.</li>
 
    <li>
 

source

@@ -64827,8 +64827,9 @@ _:n2  hcard:adr%20street-address "Avenue Q" ;
    document</span> of <var title="">B</var>, or</li>
 
    <li>The browsing context <var title="">A</var> is a <span>nested
-   browsing context</span> and its <span>top-level browsing
-   context</span> is <var title="">B</var>, or</li>
+   browsing context</span> with a <span>top-level browsing
+   context</span>, and its <span>top-level browsing context</span> is
+   <var title="">B</var>, or</li>
 
    <li>The browsing context <var title="">B</var> is an
    <span>auxiliary browsing context</span> and <var title="">A</var>
@@ -64958,8 +64959,8 @@ _:n2  hcard:adr%20street-address "Avenue Q" ;
 
    <li><p>If the given browsing context name is <code
    title="">_top</code>, then the chosen browsing context must be the
-   most <span>top-level browsing context</span> of the current
-   one.</p></li>
+   <span>top-level browsing context</span> of the current one, if
+   there is one, or else the current browsing context.</p></li>
 
    <li>