More validation errors.

Author: tabatkins

css3-flexbox/Overview.html

@@ -375,8 +375,8 @@ <h2 id=box-model><span class=secno>2. </span> The Flexbox Box Model</h2>
    direction-agnostic terms here to make the rest of the spec easier to read
    and understand.
 
-  <div class=figure> <img height=300 src="images/flex-direction-terms.svg"
-   width=510>
+  <div class=figure> <img alt height=300
+   src="images/flex-direction-terms.svg" width=510>
    <p class=caption>An illustration of the various directions and sizing
     terms used in this specification, respectively for &lsquo;<a
     href="#flex-flow-row"><code class=css>row</code></a>&rsquo; and &lsquo;<a

css3-flexbox/Overview.src.html

@@ -127,7 +127,7 @@ <h2 id='box-model'>
 	<p>Unlike block layout, which is normally biased towards laying things out vertically, and inline layout, which is normally biased toward laying things out horizontally, the flexbox layout algorithm is agnostic as to the direction the flexbox happens to be laid out in.  To make it easier to talk about flexbox layout in a general way, we will define several direction-agnostic terms here to make the rest of the spec easier to read and understand.</p>
 
 	<div class='figure'>
-		<img src='images/flex-direction-terms.svg' width=510 height=300>
+		<img src='images/flex-direction-terms.svg' width=510 height=300 alt>
 		<p class='caption'>An illustration of the various directions and sizing terms used in this specification, respectively for ''row'' and ''column'' flexboxes.</p>
 	</div>