[css-writing-modes] Drop Appendix Bidi Rules for HTML 4 <https://lists.w3.org/Archives/Public/www-style/2015Jan/0330.html>

Author: Koji Ishii

css-writing-modes/Overview.bs

@@ -2572,33 +2572,7 @@ Characters and Properties</h2>
     properties from the first combining character in the sequence.
   </ul>
 
-<h2 id="bidi-html" class=no-num>
-Appendix B: Bidi Rules for HTML 4</h2>
-
-<p>The style sheet rules that would achieve the bidi behaviors specified
-in [[HTML401]] for the HTML Strict doctype are given below:
-  <pre>
-/* HTML dir attribute creates an embedding */
- * NOTE: HTML5 prescribes isolation in place of embedding
- *       (Isolation was not possible at the time HTML4 was written.)
- */
-[dir="ltr"]    { direction: ltr; unicode-bidi: embed; }
-[dir="rtl"]    { direction: rtl; unicode-bidi: embed; }
-
-/* BDO element creates an override */
-bdo[dir="ltr"]  { direction: ltr; unicode-bidi: bidi-override; }
-bdo[dir="rtl"]  { direction: rtl; unicode-bidi: bidi-override; }
-
-/* HTML4.01:8.2.6 - preserve bidi behavior if 'display' is changed */
-html, body,
-div, address, blockquote, p,
-ul, ol, li, dl, dt, dd,
-fieldset, form,
-h1, h2, h3, h4, h5, h6,
-{ unicode-bidi: isolate; }
-  </pre>
-
-<h2 class="no-num" id="script-orientations">Appendix C:
+<h2 class="no-num" id="script-orientations">Appendix B:
 Vertical Scripts in Unicode</h2>
   <p><em>This section is informative.</em></p>