Index: x/installing/tuning-fontconfig.xml
===================================================================
--- x/installing/tuning-fontconfig.xml	(revision 3a579120b558a7776f9fcadbba6bd6bb20cff2c8)
+++ x/installing/tuning-fontconfig.xml	(revision 9c1319c6026a0bf35d72625b7d51a85102984d6d)
@@ -702,39 +702,43 @@
     </para>
 
-    <bridgehead renderas="sect3" id="fontconfig-user-docs"
-    xreflabel="Fontconfig user documentation">Fontconfig user documentation</bridgehead>
-
-      <para>
-        <application>Fontconfig</application> installs user documentation that
-        includes an example 'User configuration file' which among other things
-        prefers <xref linkend="wenquanyi-zenhei"/> (a Sans font) if a
-        <emphasis>Serif</emphasis> font is requested for Chinese (this part
-        might be anachronistic unless you have non-free Chinese fonts, because
-        in <filename>65-nonlatin.conf</filename> this font is already among the
-        preferred fonts when Serif is specified for Chinese) and to prefer the
-        modern <xref linkend="VLGothic"/> font if a Sans font is specified on a
-        Japanese page (otherwise a couple of other fonts would be preferred if
-        they have been installed).
-      </para>
-
-      <para>
-        If you have installed the current version, the user documentation is
-        available in HTML, PDF, and text versions at <filename
-        class="directory">/usr/share/doc/fontconfig-&fontconfig-version;/</filename>
-        : change the version if you installed a different one.
-      </para>
-
-    <bridgehead renderas="sect3" id="prefer-a-specific-font"
-    xreflabel="Prefer a specific font">Prefer a specific font</bridgehead>
-
-      <para>
-        As an example, if for some reason you wished to use the <ulink
-        url="https://www.fontsquirrel.com/fonts/nimbus-roman-no9-l">Nimbus Roman
-        No9 L</ulink> font wherever Times New Roman is referenced (it is
-        metrically similar, and preferred for Times Roman, but the Serif font
-        from <xref linkend="liberation-fonts"/> will be preferred for the Times
-        <emphasis>New</emphasis> Roman font if installed), as an individual user
-        you could install the font and then create the following file:
-      </para>
+  </sect2>
+
+  <sect2 role="configuration" id="fontconfig-user-docs" xreflabel="Fontconfig user documentation">
+  <title>Fontconfig user documentation</title>
+
+    <para>
+      <application>Fontconfig</application> installs user documentation that
+      includes an example 'User configuration file' which among other things
+      prefers <xref linkend="wenquanyi-zenhei"/> (a Sans font) if a
+      <emphasis>Serif</emphasis> font is requested for Chinese (this part
+      might be anachronistic unless you have non-free Chinese fonts, because
+      in <filename>65-nonlatin.conf</filename> this font is already among the
+      preferred fonts when Serif is specified for Chinese) and to prefer the
+      modern <xref linkend="VLGothic"/> font if a Sans font is specified on a
+      Japanese page (otherwise a couple of other fonts would be preferred if
+      they have been installed).
+    </para>
+
+    <para>
+      If you have installed the current version, the user documentation is
+      available in HTML, PDF, and text versions at <filename
+      class="directory">/usr/share/doc/fontconfig-&fontconfig-version;/</filename>
+      : change the version if you installed a different one.
+    </para>
+
+  </sect2>
+
+  <sect2 role="configuration" id="prefer-a-specific-font" xreflabel="Prefer a specific font">
+  <title>Prefer a specific font</title>
+
+    <para>
+      As an example, if for some reason you wished to use the <ulink
+      url="https://www.fontsquirrel.com/fonts/nimbus-roman-no9-l">Nimbus Roman
+      No9 L</ulink> font wherever Times New Roman is referenced (it is
+      metrically similar, and preferred for Times Roman, but the Serif font
+      from <xref linkend="liberation-fonts"/> will be preferred for the Times
+      <emphasis>New</emphasis> Roman font if installed), as an individual user
+      you could install the font and then create the following file:
+    </para>
 
 <screen><userinput>mkdir -pv ~/.config/fontconfig/conf.d &amp;&amp;
@@ -755,71 +759,73 @@
 EOF</userinput></screen>
 
-      <para>
-        This is something you would normally do in an individual user's
-        settings, but the file in this case has been prefixed '35-' so that it
-        could, if desired, be used system-wide in <filename
-        class="directory">/etc/fonts/conf.d/</filename>.
-      </para>
-
-    <bridgehead renderas="sect3" id="prefer-chosen-CJK-fonts"
-    xreflabel="Prefer chosen CJK fonts">Prefer chosen CJK fonts</bridgehead>
-
-      <para>
-        The following example of a local configuration (i.e. one that applies
-        for all users of the machine) does several things. It is particularly
-        appropriate where no language is specified, or for reading CJK text
-        in a non-CJK locale, and where the Japanese forms of the codepoints
-	shared with Chinese are preferred. In particular, alternative
-        approaches would be to specify a Chinese font ahead of the Japanese
-        font, meaning that only Kana symbols will be used from the Japanese
-        font, or to not specify DejaVu so that the first font in each set
-        of preferences is preferred for text using Latin alphabets.
-      </para>
-
-      <orderedlist>
-        <listitem>
-          <para>
-            If a Serif font is specified, it prefers <xref linkend="dejavu-fonts"/>.
-            If Han codepoints are found, or the Japanese language is specified,
-            the Mincho font from <xref linkend="IPAex"/> will be used. If Hangul
-            codepoints are found or the Korean language is specified, UnBatang
-            (see <xref linkend="Korean-fonts"/>) will be used: Change that line
-            If you installed a different Korean serif font. After that,
-            <xref linkend="wenquanyi-zenhei"/>  (Sans, but a default for Serif
-            and monospace) is used. A previous version of this page mentioned
-            using UMing which is a Traditional Chinese font that ships
-            with an old conf file preferring it for zh-tw and zh-hk language
-            codes (and for sans-serif and monospace). But without the conf file,
-            <application>Fontconfig</application> will only treat it as suitable
-            for zh-hk.
-            The conf file needs to be edited to current style and will then be
-            prepended, so specifying UMing does not belong in this
-            <filename>local.conf</filename> file.
-          </para>
-        </listitem>
-        <listitem>
-          <para>
-            For Sans Serif preferences again start with <xref linkend="dejavu-fonts"/>,
-            then <xref linkend="VLGothic"/> for Japanese before falling back to
-            WenQuanYi Zen Hei which is Sans and covers both Chinese and Korean
-            Hangul.
-          </para>
-        </listitem>
-        <listitem>
-          <para>
-            The Monospace fonts are forced to the preferred Sans fonts. If the
-            text is in Chinese or Korean then <xref
-            linkend="wenquanyi-zenhei"/> will be used.
-          </para>
-        </listitem>
-      </orderedlist>
-
-      <para>
-        In a non-CJK locale, the result is that suitable fonts will be used for
-        all variants of Chinese, Japanese and Hangul Korean (but Japanese variants
-        of the glyphs shared with Chinese Han will be used). All other languages
-        should already work if a font is present. As the <systemitem
-        class="username">root</systemitem> user:
-      </para>
+    <para>
+      This is something you would normally do in an individual user's
+      settings, but the file in this case has been prefixed '35-' so that it
+      could, if desired, be used system-wide in <filename
+      class="directory">/etc/fonts/conf.d/</filename>.
+    </para>
+
+  </sect2>
+
+  <sect2 role="configuration" id="prefer-chosen-CJK-fonts" xreflabel="Preferring chosen CJK fonts">
+  <title>Prefer chosen CJK fonts</title>
+
+    <para>
+      The following example of a local configuration (i.e. one that applies
+      for all users of the machine) does several things. It is particularly
+      appropriate where no language is specified, or for reading CJK text
+      in a non-CJK locale, and where the Japanese forms of the codepoints
+      shared with Chinese are preferred. In particular, alternative
+      approaches would be to specify a Chinese font ahead of the Japanese
+      font, meaning that only Kana symbols will be used from the Japanese
+      font, or to not specify DejaVu so that the first font in each set
+      of preferences is preferred for text using Latin alphabets.
+    </para>
+
+    <orderedlist>
+      <listitem>
+        <para>
+          If a Serif font is specified, it prefers <xref linkend="dejavu-fonts"/>.
+          If Han codepoints are found, or the Japanese language is specified,
+          the Mincho font from <xref linkend="IPAex"/> will be used. If Hangul
+          codepoints are found or the Korean language is specified, UnBatang
+          (see <xref linkend="Korean-fonts"/>) will be used: Change that line
+          If you installed a different Korean serif font. After that,
+          <xref linkend="wenquanyi-zenhei"/>  (Sans, but a default for Serif
+          and monospace) is used. A previous version of this page mentioned
+          using UMing which is a Traditional Chinese font that ships
+          with an old conf file preferring it for zh-tw and zh-hk language
+          codes (and for sans-serif and monospace). But without the conf file,
+          <application>Fontconfig</application> will only treat it as suitable
+          for zh-hk.
+          The conf file needs to be edited to current style and will then be
+          prepended, so specifying UMing does not belong in this
+          <filename>local.conf</filename> file.
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          For Sans Serif preferences again start with <xref linkend="dejavu-fonts"/>,
+          then <xref linkend="VLGothic"/> for Japanese before falling back to
+          WenQuanYi Zen Hei which is Sans and covers both Chinese and Korean
+          Hangul.
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          The Monospace fonts are forced to the preferred Sans fonts. If the
+          text is in Chinese or Korean then <xref
+          linkend="wenquanyi-zenhei"/> will be used.
+        </para>
+      </listitem>
+    </orderedlist>
+
+    <para>
+      In a non-CJK locale, the result is that suitable fonts will be used for
+      all variants of Chinese, Japanese and Hangul Korean (but Japanese variants
+      of the glyphs shared with Chinese Han will be used). All other languages
+      should already work if a font is present. As the <systemitem
+      class="username">root</systemitem> user:
+    </para>
 
 <screen role="root"><userinput>cat > /etc/fonts/local.conf &lt;&lt; "EOF"
@@ -858,5 +864,4 @@
   </sect2>
 
-
   <sect2 role="configuration" id="editing-old-style-conf-files"
   xreflabel="Editing Old-Style conf files">
@@ -951,6 +956,8 @@
     </para>
 
-    <bridgehead renderas="sect3" id="font-weights"
-    xreflabel="About font weights">About font weights</bridgehead>
+  </sect2>
+
+  <sect2 role="configuration" id="font-weights" xreflabel="About font weights">
+  <title>About font weights</title>
 
     <para>
@@ -1021,6 +1028,8 @@
     </para>
 
-    <bridgehead renderas="sect3" id="items-which-can-override-fontconfig"
-    xreflabel="Items which can override fontconfig">Items which can override Fontconfig</bridgehead>
+  </sect2>
+
+  <sect2 role="configuration" id="items-which-can-override-fontconfig" xreflabel="Items which can override Fontconfig">
+  <title>Items which can override Fontconfig</title>
 
     <para>
