[css-text-decor-3] Update Changes list

Author: fantasai

css-text-decor-3/Overview.bs

@@ -1071,12 +1071,33 @@ Changes</h2>
         (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-18">Issue 18</a>)
     <li>Changed text decoration to skip leading and trailing spaces.
         (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-6">Issue 6</a>)
+    <li>Noted that the positions of ruby annotations may be adjusted
+        to avoid conflicts with text decorations.
+        (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-21>Issue 21</a>)
     <li>Changed initial value of 'text-shadow' to be <code>currentColor</code>.
         (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-28">Issue 28</a>)
-    <li>Fixed “Computed value” line for 'text-shadow'.
+    <li>Fixed error in “Computed value” line for 'text-shadow'.
         (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-7">Issue 7</a>)
-    <li>Various corrections to the default UA rules for 'text-emphasis-position' and 'text-underline-position'.
-        (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-11">Issue 11</a>, <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-18">Issue 18</a>, <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-19">Issue 19</a>, <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-36">Issue 36</a>)
+    <li>Fixed canonical order of 'text-shadow' values to match implementations.
+        (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-35">Issue 35</a>)
+    <li>Defined positioning of emphasis marks with respect to auto-hidden and empty ruby annotations.
+        (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-9">Issue 9</a>)
+        <blockquote>
+          <p>If emphasis marks are applied to characters
+          for which ruby is drawn in the same position as the emphasis mark,
+          the emphasis marks are placed outside the ruby.
+          <ins>This includes <a href="https://www.w3.org/TR/css-ruby-1/#autohide">auto-hidden</a>
+          and empty <a>ruby annotations</a>.</ins>
+        </blockquote>
+    <li>Made 'text-emphasis' skip punctuation by default.
+        (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-16">Issue 16</a>)
     <li>Added rule to apply ''font-variant-east-asian/ruby'' to emphasis marks' font.
         (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-13">Issue 13</a>)
+    <li>Various corrections and improvements to the default UA rules
+        for 'text-emphasis-position' and 'text-underline-position'.
+        (<a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-11">Issue 11</a>,
+         <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-12">Issue 12</a>,
+         <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-18">Issue 18</a>,
+         <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-19">Issue 19</a>,
+         <a href="https://drafts.csswg.org/css-text-decor-3/issues-cr-2013#issue-36">Issue 36</a>)
   </ul>