[css-nav-1][editorial] Fixed Bikeshed error

Author: SebastianZ

css-nav-1/Overview.bs

@@ -89,15 +89,15 @@ code.key {
 <style>
 #api-check:checked ~ .api,
 #api-check:checked ~ * .api {
-	display: none;
+    display: none;
 }
 #cssapi-check:checked ~ .cssapi,
 #cssapi-check:checked ~ * .cssapi {
-	display: none;
+    display: none;
 }
 #verbose-check:checked ~ .verbose,
 #verbose-check:checked ~ * .verbose {
-	display: none;
+    display: none;
 }
 </style>
 
@@ -917,29 +917,29 @@ the <a spec=html for="/">origin</a> of the [=active document=] of the [=top-leve
 <h2 id=policy-feature>
 The <a>navigation-override</a> <a>policy-controlled feature</a></h2>
 
-	The <dfn>navigation-override</dfn> <a>policy-controlled feature</a> controls
-	the availability of mechanisms that enables the page author
-	to take control over the behavior of spatial navigation,
-	or to cancel it outright.
+    The <dfn>navigation-override</dfn> <a>policy-controlled feature</a> controls
+    the availability of mechanisms that enables the page author
+    to take control over the behavior of spatial navigation,
+    or to cancel it outright.
 
-	* The feature name is "<code>navigation-override</code>"
-	* The <a>default allowlist</a> for <a>navigation-override</a> is "<code>self</code>"
+    * The feature name is "<code>navigation-override</code>"
+    * The <a>default allowlist</a> for <a>navigation-override</a> is "<code>self</code>"
 
-	As defined in further details in [[#nav]],
-	if <a>navigation-override</a> is disabled in a document,
-	the navigation events (see [[#events-navigationevent]]) will not be fired.
+    As defined in further details in [[#nav]],
+    if <a>navigation-override</a> is disabled in a document,
+    the navigation events (see [[#events-navigationevent]]) will not be fired.
 
-	Note: This is to prevent a hostile iframe from using these events
-	in order to hijack the focus.
-	We recognize that there exist other mechanisms predating spatial navigation
-	that malicious the author could use
-	to interfere with the user's ability to control where the focus goes.
-	Despite that, it seems worthwhile to attempt not to increase this attack surface,
-	although it is possible that such attacks are already sufficiently easy to perform
-	that this is a lost cause.
-	Further feedback on this topic,
-	based on experience with implementation or with mitigating such attacks,
-	is very welcome.
+    Note: This is to prevent a hostile iframe from using these events
+    in order to hijack the focus.
+    We recognize that there exist other mechanisms predating spatial navigation
+    that malicious the author could use
+    to interfere with the user's ability to control where the focus goes.
+    Despite that, it seems worthwhile to attempt not to increase this attack surface,
+    although it is possible that such attacks are already sufficiently easy to perform
+    that this is a lost cause.
+    Further feedback on this topic,
+    based on experience with implementation or with mitigating such attacks,
+    is very welcome.
 
 
 <h2 id=processing-model>
@@ -1079,6 +1079,7 @@ To run the <dfn>spatial navigation steps</dfn> in <var>direction</var>, do the f
     excluding <var>eventTarget</var>
     </span>
 7. If <var>candidates</var> is empty:
+    <ul>
         <li class=cssapi>If the computed value of the 'spatial-navigation-action' property on <var>container</var> is not ''spatial-navigation-action/focus''
             and <var>container</var> is a <a>scroll container</a> that <a>can be manually scrolled</a>,
             <a>directionally scroll the element</a> <var>container</var> in <var>direction</var> and return.
@@ -1307,10 +1308,10 @@ The meaning of each term is as follows:
             the length of the overlap between the vertical projections onto the horizontal axis
             of the <var>reference</var> and the <var>candidate</var>
 
-	    <figure>
-		    <img alt="" src="images/projected_overlap.png" style="width: 500px;">
-		    <figcaption>projectedOverlap</figcaption>
-	    </figure>
+        <figure>
+            <img alt="" src="images/projected_overlap.png" style="width: 500px;">
+            <figcaption>projectedOverlap</figcaption>
+        </figure>
 
     <dt><var>alignWeight</var>:
     <dd>5
@@ -1758,7 +1759,7 @@ The editors of this specification would like to thank the following individuals
 
 <em>This section is non-normative.</em>
 
-	The following changes were made since the <a href="https://www.w3.org/TR/2019/WD-css-nav-1-20190423/">23 April 2019 First Public Working Draft</a>.
+    The following changes were made since the <a href="https://www.w3.org/TR/2019/WD-css-nav-1-20190423/">23 April 2019 First Public Working Draft</a>.
 
     * Changed the result of {{getSpatialNavigationContainer()}} to return the nearest <a>spatial navigation container</a> ancestor
     * Added 'spatial-navigation-function'