[css-text] Markup fix

Restore old ids that had been used to link to the spec in some tests

Author: frivoal

css-text-3/Overview.bs

@@ -977,7 +977,7 @@ Line Breaking Details</h3>
     <li>Line breaking in/around Ruby is defined in <a href="https://www.w3.org/TR/css-ruby-1/#line-breaks">CSS Ruby</a> [[!CSS-RUBY-1]].
   </ul>
 
-  <h3 id="word-break-property" caniuse="word-break">
+  <h3 id="word-break-property" caniuse="word-break" oldids="word-break">
     Breaking Rules for Letters: the 'word-break' property</h3>
 
     <pre class="propdef">
@@ -1406,7 +1406,7 @@ Line Breaking Details</h3>
            alt="[isolated DAL + isolated ALEF + initial MEEM + final YEH + hyphen + line-break + isolated DAL + isolated ALEF MAKSURA]">
     </div>
 
-  <h3 id="overflow-wrap-property" caniuse="wordwrap">
+  <h3 id="overflow-wrap-property" caniuse="wordwrap" oldids="overflow-wrap">
     Overflow Wrapping: the 'overflow-wrap'/'word-wrap' property</h3>
 
   <pre class="propdef">