[css-text-decor-3] Update links to new shortnames

Author: fantasai

css-text-decor-3/Overview.bs

@@ -65,9 +65,9 @@ Values</h3>
 
 <h3 id="terms">Terminology</h3>
 
-  <p>The terms <dfn><a href="https://www.w3.org/TR/css3-text/#grapheme-cluster">character</a></dfn>,
-    <dfn><a href="https://www.w3.org/TR/css3-text/#letter">letter</a></dfn>, and
-    <dfn><a href="https://www.w3.org/TR/css3-text/#content-language">content language</a></dfn>
+  <p>The terms <dfn><a href="https://www.w3.org/TR/css-text-3/#grapheme-cluster">character</a></dfn>,
+    <dfn><a href="https://www.w3.org/TR/css-text-3/#letter">letter</a></dfn>, and
+    <dfn><a href="https://www.w3.org/TR/css-text-3/#content-language">content language</a></dfn>
     as used in this specification are defined in [[!CSS-TEXT-3]].
     Other terminology and concepts used in this specification are defined
     in [[!CSS2]] and [[!CSS-WRITING-MODES-4]].
@@ -268,7 +268,7 @@ Text Decoration Style: the 'text-decoration-style' property</h3>
   <p>This property specifies the style of the line(s) drawn for
     text decoration specified on the element. Values have the
     same meaning as for the
-    <a href="https://www.w3.org/TR/css3-background/#the-border-style">border-style
+    <a href="https://www.w3.org/TR/css-backgrounds-3/#the-border-style">border-style
     properties</a> [[!CSS-BACKGROUNDS-3]]. ''wavy'' indicates a wavy line.</p>
 
   <p>
@@ -285,7 +285,7 @@ Text Decoration Color: the 'text-decoration-color' property</h3>
   Initial: currentcolor
   Inherited: no
   Computed value: the computed color
-  Animation type: <a href="https://www.w3.org/TR/css3-transitions/#animtype-color">color</a>
+  Animation type: <a href="https://www.w3.org/TR/css-transitions-1/#animtype-color">color</a>
   </pre>
 
   <p>This property specifies the color of text decoration (underlines
@@ -704,7 +704,7 @@ Emphasis Mark Style: the 'text-emphasis-style' property</h3>
   <p>The marks are drawn once for each <a>typographic character unit</a>.
     However, emphasis marks are <em>not</em> drawn for:
   <ul>
-    <li><a href="https://www.w3.org/TR/css3-text/#word-separator">Word separators</a>
+    <li><a href="https://www.w3.org/TR/css-text-3/#word-separator">Word separators</a>
       or other <a>characters</a> that
       belong to the Unicode separator classes (Z*).
       (But note that emphasis marks <em>are</em> drawn for a space
@@ -750,7 +750,7 @@ Emphasis Mark Color: the 'text-emphasis-color' property</h3>
   Value: <<color>>
   Initial: currentcolor
   Inherited: yes
-  Animation type: <a href="https://www.w3.org/TR/css3-transitions/#animtype-color">color</a>
+  Animation type: <a href="https://www.w3.org/TR/css-transitions-1/#animtype-color">color</a>
   </pre>
 
   <p>This property specifies the foreground color of the emphasis marks.</p>
@@ -896,7 +896,7 @@ Text Shadows: the 'text-shadow' property</h2>
   Initial: none
   Inherited: yes
   Computed value: any <<length>> made absolute; any specified color computed; otherwise as specified
-  Animation type: <a href="https://www.w3.org/TR/css3-transitions/#animtype-shadow-list">shadow list</a>
+  Animation type: <a href="https://www.w3.org/TR/css-transitions-1/#animtype-shadow-list">shadow list</a>
   </pre>
 
   <p>This property accepts a comma-separated list of shadow effects to