[css-text-decor] Fix bikeshed warnings and errors

Author: frivoal

css-text-decor/Overview.bs

@@ -302,9 +302,9 @@ Text Decoration Shorthand: the 'text-decoration' property</h3>
       <td><dfn>text-decoration</dfn>
     <tr>
       <th><a href="#values">Value</a>:
-      <td><var><a href="#text-decoration-line">&lt;text-decoration-line&gt;</a></var> ||
-          <var><a href="#text-decoration-style">&lt;text-decoration-style&gt;</a></var> ||
-          <var><a href="#text-decoration-color">&lt;text-decoration-color&gt;</a></var>
+      <td><var><<'text-decoration-line'>></var> ||
+          <var><<'text-decoration-style'>></var> ||
+          <var><<'text-decoration-color'>></var>
 
     <tr>
       <th>Initial:
@@ -899,7 +899,7 @@ Emphasis Mark Shorthand: the 'text-emphasis' property</h3>
       <td><dfn>text-emphasis</dfn>
     <tr>
       <th><a href="#values">Value</a>:
-      <td>'&lt;<a href="#text-emphasis-style">text-emphasis-style</a>&gt;' || '&lt;<a href="#text-emphasis-color">text-emphasis-color</a>&gt;'
+      <td><<'text-emphasis-style'>> || <<'text-emphasis-color'>>
 
     <tr>
       <th>Initial:
@@ -1095,9 +1095,9 @@ Text Shadows: the 'text-shadow' property</h2>
 
   <p>This property accepts a comma-separated list of shadow effects to
     be applied to the text of the element. Values are interpreted as for
-    <a href="http://www.w3.org/TR/css3-background/#the-box-shadow">'box-shadow'</a>
+    'box-shadow'
     [[!CSS3BG]].
-    (But note that spread values and the ''inset'' keyword are not allowed.)
+    (But note that spread values and the ''box-shadow/inset'' keyword are not allowed.)
     Each layer shadows the element's text and all its text decorations
     (composited together).
     If the color of the shadow is not specified,
@@ -1228,7 +1228,7 @@ Appendix C: Default UA Stylesheet</h2>
     <p class="issue">
       If you find any issues, recommendations to add, or corrections,
       please send the information to <a href="mailto:www-style@w3.org">www-style@w3.org</a>
-      with <kbd>[[SHORTNAME]]</kbd> in the subject line.
+      with <kbd>[SHORTNAME]</kbd> in the subject line.
 
     <div class='example'>
       <p>