Index: head/en_US.ISO8859-1/books/fdp-primer/editor-config/chapter.xml
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--- head/en_US.ISO8859-1/books/fdp-primer/editor-config/chapter.xml	(revision 49218)
+++ head/en_US.ISO8859-1/books/fdp-primer/editor-config/chapter.xml	(revision 49219)
@@ -1,172 +1,247 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
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 <chapter xmlns="http://docbook.org/ns/docbook"
   xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
   xml:id="editor-config">
 
   <title>Editor Configuration</title>
 
   <para>Adjusting text editor configuration can make working on
     document files quicker and easier, and help documents conform to
     <acronym>FDP</acronym> guidelines.</para>
 
   <sect1 xml:id="editor-config-vim">
     <title><application>Vim</application></title>
 
     <para>Install from <package>editors/vim</package>
       or <package>editors/vim-lite</package>, then follow the
       configuration instructions in
       <xref linkend="editor-config-vim-config"/>.</para>
 
     <sect2 xml:id="editor-config-vim-use">
       <title>Use</title>
 
       <para>Press <keycap>P</keycap> to reformat paragraphs or text that has been selected in Visual mode.  Press
 	<keycap>T</keycap> to replace groups of eight spaces with a
 	tab.</para>
     </sect2>
 
     <sect2 xml:id="editor-config-vim-config">
       <title>Configuration</title>
 
       <para>Edit <filename>~/.vimrc</filename>, adding these
 	lines to the end of the file:</para>
 
       <programlisting>if has("autocmd")
     au BufNewFile,BufRead *.sgml,*.ent,*.xsl,*.xml call Set_SGML()
     au BufNewFile,BufRead *.[1-9] call ShowSpecial()
 endif " has(autocmd)
 
 function Set_Highlights()
     "match ExtraWhitespace /^\s* \s*\|\s\+$/
     highlight default link OverLength ErrorMsg
     match OverLength /\%71v.\+/
     return 0
 endfunction
 
 function ShowSpecial()
     setlocal list listchars=tab:>>,trail:*,eol:$
     hi def link nontext ErrorMsg
     return 0
 endfunction " ShowSpecial()
 
 function Set_SGML()
     setlocal number
     syn match sgmlSpecial "&amp;[^;]*;"
     setlocal syntax=sgml
     setlocal filetype=xml
     setlocal shiftwidth=2
     setlocal textwidth=70
     setlocal tabstop=8
     setlocal softtabstop=2
     setlocal formatprg="fmt -p"
     setlocal autoindent
     setlocal smartindent
     " Rewrap paragraphs
     noremap P gqj
     " Replace spaces with tabs
     noremap T :s/        /\t/&lt;CR&gt;
     call ShowSpecial()
     call Set_Highlights()
     return 0
 endfunction " Set_SGML()</programlisting>
     </sect2>
   </sect1>
 
   <sect1 xml:id="editor-config-emacs">
     <title><application>Emacs</application></title>
 
     <para>Install from
       <package>editors/emacs</package>
-      or <package>editors/xemacs</package>.</para>
+      or <package>editors/emacs-devel</package>.</para>
 
-    <para>Edit <filename>~/.emacs</filename>, adding this
-      line:</para>
+    <sect2 xml:id="editor-config-emacs-validation">
+      <title>Validation</title>
 
-    <programlisting>(add-hook 'nxml-mode-hook 'turn-on-auto-fill)</programlisting>
+      <para>Emacs's nxml-mode uses compact relax NG schemas for
+	validating XML.  A compact relax NG schema for FreeBSD's
+	extension to DocBook 5.0 is included in the documentation
+	repository.  To configure nxml-mode to validate using this
+	schema, create
+	<filename>~/.emacs.d/schema/schemas.xml</filename> and add
+	these lines to the file:</para>
+
+      <programlisting><tag class="starttag">locatingRules xmlns="http://thaiopensource.com/ns/locating-rules/1.0"</tag>
+  <tag class="starttag">documentElement localName="section" typeId="DocBook"</tag>
+  <tag class="starttag">documentElement localName="chapter" typeId="DocBook"</tag>
+  <tag class="starttag">documentElement localName="article" typeId="DocBook"</tag>
+  <tag class="starttag">documentElement localName="book" typeId="DocBook"</tag>
+  <tag class="starttag">typeId id="DocBook" uri="/usr/local/share/xml/docbook/5.0/rng/docbook.rnc"</tag>
+<tag class="endtag">locatingRules</tag></programlisting>
+
+    </sect2>
+
+    <sect2 xml:id="editor-config-emacs-igor">
+      <title>Automated Proofreading with Flycheck and Igor</title>
+
+      <para>The Flycheck package is available from Milkypostman's
+	Emacs Lisp Package Archive (<acronym>MELPA</acronym>).  If
+	<acronym>MELPA</acronym> is not already in Emacs's
+	packages-archives, it can be added by evaluating</para>
+
+      <programlisting>(add-to-list 'package-archives '("melpa" . "http://stable.melpa.org/packages/") t)</programlisting>
+
+      <para>Add the line to Emacs's initialization file (one of
+	<filename>~/.emacs</filename>,
+	<filename>~/.emacs.el</filename>, or
+	<filename>~.emacs.d/init.el</filename>) to make this change
+	permanent.</para>
+
+      <para>To install Flycheck, evaluate</para>
+
+      <programlisting>(package-install 'flycheck)</programlisting>
+
+      <para>Create a Flycheck checker for
+	<package>textproc/igor</package> by evaluating</para>
+
+      <programlisting>(flycheck-define-checker igor
+  "FreeBSD Documentation Project sanity checker.
+
+See URLs http://www.freebsd.org/docproj/ and
+http://www.freshports.org/textproc/igor/."
+  :command ("igor" "-X" source-inplace)
+  :error-parser flycheck-parse-checkstyle
+  :modes (nxml-mode)
+  :standard-input t)
+
+  (add-to-list 'flycheck-checkers 'igor 'append)</programlisting>
+
+      <para>Again, add these lines to Emacs's initialization file to
+	make the changes permanent.</para>
+    </sect2>
+
+    <sect2 xml:id="editor-config-emacs-specifc">
+      <title>FreeBSD Documentation Specific Settings</title>
+
+      <para>To apply settings specific to the FreeBSD documentation
+	project, create <filename>.dir-locals.el</filename> in the
+	root directory of the documentation repository and add these
+	lines to the file:</para>
+
+      <programlisting>;;; Directory Local Variables
+;;; For more information see (info "(emacs) Directory Variables")
+
+((nxml-mode
+  (eval . (turn-on-auto-fill))
+  (fill-column . 70)
+  (eval . (require 'flycheck))
+  (eval . (flycheck-mode 1))
+  (flycheck-checker . igor)
+  (eval . (add-to-list 'rng-schema-locating-files "~/.emacs.d/schema/schemas.xml"))))</programlisting>
+    </sect2>
   </sect1>
 
   <sect1 xml:id="editor-config-nano">
     <title><application>nano</application></title>
 
     <para>Install from
       <package>editors/nano</package> or
       <package>editors/nano-devel</package>.</para>
 
     <sect2 xml:id="editor-config-nano-config">
       <title>Configuration</title>
 
       <para>Copy the sample <acronym>XML</acronym> syntax highlight
 	file to the user's home directory:</para>
 
       <screen>&prompt.user; <userinput>cp /usr/local/share/nano/xml.nanorc ~/.nanorc</userinput></screen>
 
       <para>Add these lines to the new
 	<filename>~/.nanorc</filename>.</para>
 
       <programlisting>syntax "xml" "\.([jrs]html?|xml|xslt?)$"
 # trailing whitespace
 color ,blue "[[:space:]]+$"
 # multiples of eight spaces at the start a line
 # (after zero or more tabs) should be a tab
 color ,blue "^([TAB]*[ ]{8})+"
 # tabs after spaces
 color ,yellow "( )+TAB"
 # highlight indents that have an odd number of spaces
 color ,red "^(([ ]{2})+|(TAB+))*[ ]{1}[^ ]{1}"
 # lines longer than 70 characters
 color ,yellow "^(.{71})|(TAB.{63})|(TAB{2}.{55})|(TAB{3}.{47}).+$"</programlisting>
 
       <para>Process the file to create embedded tabs:</para>
 
       <screen>&prompt.user; <userinput>perl -i'' -pe 's/TAB/\t/g' ~/.nanorc</userinput></screen>
     </sect2>
 
     <sect2 xml:id="editor-config-nano-use">
       <title>Use</title>
 
       <para>Specify additional helpful options when running the
 	editor:</para>
 
       <screen>&prompt.user; <userinput>nano -AKipwz -r 70 -T8 <replaceable>chapter.xml</replaceable></userinput></screen>
 
       <para>Users of &man.csh.1; can define an alias in
 	<filename>~/.cshrc</filename> to automate these
 	options:</para>
 
       <programlisting>alias nano "nano -AKipwz -r 70 -T8"</programlisting>
 
       <para>After the alias is defined, the options will be added
 	automatically:</para>
 
       <screen>&prompt.user; <userinput>nano <replaceable>chapter.xml</replaceable></userinput></screen>
     </sect2>
   </sect1>
 </chapter>