[css-text] Fix ordering operations to not have duplicates, fix links

Author: fantasai

css-text/Overview.html

@@ -3351,8 +3351,10 @@ <h2 class=no-num id=appendix-a-text-processing-order-of-oper>Appendix A:
 
    <li><a
     href="http://www.w3.org/TR/css3-writing-modes/#text-combine-horizontal">text
-    combination</a> and <a
-    href="http://www.w3.org/TR/css3-writing-modes/#text-orientation/">text
+    combination</a>
+
+   <li><a
+    href="http://www.w3.org/TR/css3-writing-modes/#text-orientation">text
     orientation</a> <a href="#CSS3-WRITING-MODES"
     rel=biblioentry>[CSS3-WRITING-MODES]<!--{{!CSS3-WRITING-MODES}}--></a>
 
@@ -3369,11 +3371,6 @@ <h2 class=no-num id=appendix-a-text-processing-order-of-oper>Appendix A:
 
      <li><a href="#white-space-phase-2">white space processing</a> part II
 
-     <li><a
-      href="http://www.w3.org/TR/css3-writing-modes/#text-orientation">text
-      orientation</a> <a href="#CSS3-WRITING-MODES"
-      rel=biblioentry>[CSS3-WRITING-MODES]<!--{{!CSS3-WRITING-MODES}}--></a>
-
      <li>‘<a href="#letter-spacing0"><code
       class=property>letter-spacing</code></a>’ and ‘<a
       href="#word-spacing0"><code class=property>word-spacing</code></a>’

css-text/Overview.src.html

@@ -2455,13 +2455,13 @@ <h2 class="no-num">Appendix A:
   <ol>
     <li><a href="#white-space-phase-1">white space processing</a> part I (pre-wrapping)
     <li><a href="#text-transform">text transformation</a>
-    <li><a href="http://www.w3.org/TR/css3-writing-modes/#text-combine-horizontal">text combination</a> and <a href="http://www.w3.org/TR/css3-writing-modes/#text-orientation/">text orientation</a> [[!CSS3-WRITING-MODES]]
+    <li><a href="http://www.w3.org/TR/css3-writing-modes/#text-combine-horizontal">text combination</a>
+    <li><a href="http://www.w3.org/TR/css3-writing-modes/#text-orientation">text orientation</a> [[!CSS3-WRITING-MODES]]
     <li><a href="#wrapping">text wrapping</a> while applying per line:
       <ol>
         <li><a href="#text-indent">indentation</a>
         <li><a href="http://www.w3.org/TR/css3-writing-modes/#text-direction">bidirectional reordering</a> [[!CSS21]] / [[!CSS3-WRITING-MODES]]
         <li><a href="#white-space-phase-2">white space processing</a> part II
-        <li><a href="http://www.w3.org/TR/css3-writing-modes/#text-orientation">text orientation</a> [[!CSS3-WRITING-MODES]]
         <li>'letter-spacing' and 'word-spacing'
         <li><a href="http://www.w3.org/TR/css3-fonts/">font/glyph selection and positioning</a> [[!CSS21]] / [[!CSS3-FONTS]]
         <li><a href="#hanging-punctuation">hanging punctuation</a>