Add id tags to writing style sections to make them easier to refer to

directly as HTML links with anchors.

en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.xml

@@ -276,7 +276,7 @@
 	<literal>&lt;!doctype&hellip;&gt;</literal>.</para>
     </sect2>
 
-    <sect2>
+    <sect2 id="writing-style-acronyms">
       <title>Acronyms</title>
 
       <para>Acronyms should be defined the first time they appear in a
@@ -291,7 +291,7 @@
 	<sgmltag>acronym</sgmltag> tags.</para>
     </sect2>
 
-    <sect2>
+    <sect2 id="writing-style-indentation">
       <title>Indentation</title>
 
       <para>The first line in each file starts with no indentation,
@@ -332,10 +332,10 @@
 	<xref linkend="editor-config"/>.</para>
     </sect2>
 
-    <sect2>
+    <sect2 id="writing-style-tag-style">
       <title>Tag Style</title>
 
-      <sect3>
+      <sect3 id="writing-style-tag-style-spacing">
 	<title>Tag Spacing</title>
 
 	<para>Tags that start at the same indent as a previous tag
@@ -371,7 +371,7 @@
 	</informalexample>
       </sect3>
 
-      <sect3>
+      <sect3 id="writing-style-tag-style-separating">
 	<title>Separating Tags</title>
 
 	<para>Tags like <sgmltag>itemizedlist</sgmltag> which will
@@ -401,7 +401,7 @@
       </sect3>
     </sect2>
 
-    <sect2>
+    <sect2 id="writing-style-whitespace-changes">
       <title>Whitespace Changes</title>
 
       <para><emphasis>Do not commit changes
@@ -421,7 +421,7 @@
 	ignored by translators.</para>
     </sect2>
 
-    <sect2>
+    <sect2 id="writing-style-nonbreaking-space">
       <title>Non-Breaking Space</title>
 
       <para>Avoid line breaks in places where they look ugly or make