Bikeshed update for 'Extend CSS scroll-direction production to match the WebIDL enum' [ci skip]

Generated from:

commit 89ce6c7
Author: Brian Birtles <birtles@gmail.com>
Date:   Thu Sep 21 10:32:00 2017 +0900

    Extend CSS scroll-direction production to match the WebIDL enum

Author: birtles

index.html

@@ -11,7 +11,7 @@
   <link href="https://www.w3.org/StyleSheets/TR/2016/W3C-UD" rel="stylesheet" type="text/css">
   <meta content="Bikeshed version 459c2a65222f1973d4f1846a767ec88e8a5dae3e" name="generator">
   <link href="https://wicg.github.io/scroll-animations/" rel="canonical">
-  <meta content="014825b12cde1aad88c1f60c657c86f851cd1f94" name="document-revision">
+  <meta content="89ce6c7b2b61731b246dce625f8ea9ac9272f810" name="document-revision">
   <link href="web-animations.css" rel="stylesheet" type="text/css">
 <style>/* style-md-lists */
 
@@ -763,7 +763,7 @@ <h3 class="heading settled" data-level="3.2" id="animation-timeline"><span class
       <td>no
    </table>
    <p><dfn class="dfn-paneled css" data-dfn-type="type" data-export="" id="typedef-single-animation-timeline">&lt;single-animation-timeline></dfn> = auto | scroll([element(<a class="production css" data-link-type="type" href="https://drafts.csswg.org/selectors-4/#typedef-id-selector" id="ref-for-typedef-id-selector">&lt;id-selector></a>)[, <a class="production css" data-link-type="type" href="#typedef-scroll-direction" id="ref-for-typedef-scroll-direction">&lt;scroll-direction></a>[, <a class="production css" data-link-type="type" href="#typedef-scroll-offset" id="ref-for-typedef-scroll-offset">&lt;scroll-offset></a>[, <a class="production css" data-link-type="type" href="#typedef-scroll-offset" id="ref-for-typedef-scroll-offset①">&lt;scroll-offset></a>[, <a class="production css" data-link-type="type" href="https://drafts.csswg.org/css-values-4/#time-value" id="ref-for-time-value" title="Expands to: s | ms">&lt;time></a>[, <a class="production css" data-link-type="type" href="https://drafts.csswg.org/css-animations-1/#typedef-single-animation-fill-mode" id="ref-for-typedef-single-animation-fill-mode">&lt;single-animation-fill-mode></a>]]]]]])</p>
-   <p><dfn class="dfn-paneled css" data-dfn-type="type" data-export="" id="typedef-scroll-direction">&lt;scroll-direction></dfn> = auto | horizontal | vertical</p>
+   <p><dfn class="dfn-paneled css" data-dfn-type="type" data-export="" id="typedef-scroll-direction">&lt;scroll-direction></dfn> = auto | block | inline | horizontal | vertical</p>
    <p><dfn class="dfn-paneled css" data-dfn-type="type" data-export="" id="typedef-scroll-offset">&lt;scroll-offset></dfn> = <a class="production css" data-link-type="type" href="https://drafts.csswg.org/css-values-3/#length-value" id="ref-for-length-value④" title="Expands to: em | vb | ch | cm | vh | vi | vw | ex | in | ic | pt | px | lh | pc | rem | rlh | vmax | advance measure | vmin | mm | cap | q">&lt;length></a> | <a class="production css" data-link-type="type" href="https://drafts.csswg.org/css-values-3/#percentage-value" id="ref-for-percentage-value④">&lt;percentage></a> | auto</p>
    <p>The <a class="property" data-link-type="propdesc" href="#propdef-animation-timeline" id="ref-for-propdef-animation-timeline③">animation-timeline</a> property is similar to properties like <a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css-animations-1/#propdef-animation-duration" id="ref-for-propdef-animation-duration">animation-duration</a> and <a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css-animations-1/#propdef-animation-timing-function" id="ref-for-propdef-animation-timing-function">animation-timing-function</a> in that it can have one or more values, each one imparting 
 additional behavior to a corresponding <a data-link-type="dfn" href="https://w3c.github.io/web-animations/#concept-animation" id="ref-for-concept-animation①">animation</a> on the