Replace hand-rolled version with proper — entities.

svn path=/head/; revision=27124

en_US.ISO8859-1/articles/wp-toolbox/article.sgml

@@ -50,7 +50,7 @@
     <para>Unlike Linux, FreeBSD is a single monolithic project rather
       than a collection of disparate parts assembled into a
       distribution.  And the most attractive part of FreeBSD for a
-      software tester is the FreeBSD ports collection--a very large,
+      software tester is the FreeBSD ports collection&mdash;a very large,
       managed set of software applications with a single simple and
       uniform installation procedure.</para>
 
@@ -149,8 +149,8 @@
         Source disk imaging system called <ulink
         url="http://www.cs.utah.edu/flux/papers/frisbee-usenix03-base.html">Frisbee</ulink>
         which was implemented originally on FreeBSD.  I built the
-        system--a feature-for-feature replacement for an expensive
-        proprietary system--but we never actually used it in our
+        system&mdash;a feature-for-feature replacement for an expensive
+        proprietary system&mdash;but we never actually used it in our
         production system.</para>
 
       <para>In the meantime, I had discovered the FreeBSD ports
@@ -367,7 +367,7 @@
         utilities are outstandingly good compared to other
         languages. Perl <literal>Net::*</literal> modules and
         <literal>IO::Socket::*</literal> modules are robust and
-        powerful-- but they often fail to compile on Windows.  It is
+        powerful&mdash;but they often fail to compile on Windows.  It is
         the ease of use of Perl's network utilities on FreeBSD that
         gets Perl the mention in this section.</para>