Whitespace-only fixes, mostly wrapping long lines. Translators, please

ignore.

en_US.ISO8859-1/books/fdp-primer/sgml-markup/chapter.sgml

@@ -747,8 +747,8 @@
       </note>
 
       <para>The &os; extensions are not (currently) in the
-	Ports&nbsp;Collection.  They are stored in the &os; Subversion tree,
-	as <ulink
+	Ports&nbsp;Collection.  They are stored in the &os; Subversion
+	tree, as <ulink
 	  url="http://svnweb.FreeBSD.org/doc/head/share/sgml/freebsd.dtd">head/share/sgml/freebsd.dtd</ulink>.</para>
     </sect2>
 
@@ -827,6 +827,7 @@
 
 	  <!-- Can't put this in a marked section because of the
                replaceable elements -->
+
 	  <programlisting>&lt;book>
   &lt;bookinfo>
     &lt;title><replaceable>Your Title Here</replaceable>&lt;/title>
@@ -876,6 +877,7 @@
 
 	  <!-- Can't put this in a marked section because of the
                replaceable elements -->
+
 	  <programlisting>&lt;article>
   &lt;articleinfo>
     &lt;title><replaceable>Your title here</replaceable>&lt;/title>
@@ -2414,7 +2416,8 @@ This is the file called 'foo2'</screen>
 	  the <filename>.png</filename> extension.</para>
 
 	<para>These are the <emphasis>only</emphasis> formats in which
-	  images should be committed to the Subversion repository.</para>
+	  images should be committed to the Subversion
+	  repository.</para>
 
 	<para>Use the right format for the right image.  It is to be
 	  expected that your documentation will have a mix of EPS and