add literal tag

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@275849 c90b9560-bf6c-de11-be94-00142212c4b1

appendices/configure/php.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <sect3 xml:id="configure.options.php" xmlns="http://docbook.org/ns/docbook">
   <title>PHP options</title>
   <variablelist>
@@ -20,7 +20,7 @@
     </term>
     <listitem>
      <para>
-      Sets the path in which to look for &php.ini;, defaults to PREFIX/lib.
+      Sets the path in which to look for &php.ini;, defaults to <literal>PREFIX/lib</literal>.
      </para>
     </listitem>
    </varlistentry>
@@ -40,7 +40,7 @@
     </term>
     <listitem>
      <para>
-      Only allow executables in DIR when in safe mode defaults to /usr/local/php/bin.
+      Only allow executables in DIR when in safe mode defaults to <literal>/usr/local/php/bin</literal>.
      </para>
     </listitem>
    </varlistentry>

chapters/intro.xml

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.49 $ -->
+<!-- $Revision: 1.50 $ -->
  <chapter xml:id="introduction" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
   <info><title>Introduction</title></info>
 
   <section xml:id="intro-whatis">
    <info><title>What is PHP?</title></info>
    <para>
-    <acronym>PHP</acronym> (recursive acronym for "PHP: Hypertext
-    Preprocessor") is a widely-used open source general-purpose
+    <acronym>PHP</acronym> (recursive acronym for <literal>PHP: Hypertext
+    Preprocessor</literal>) is a widely-used open source general-purpose
     scripting language that is especially suited for web
     development and can be embedded into HTML.
    </para>

chapters/tutorial.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-9"?>
-<!-- $Revision: 1.54 $ -->
+<!-- $Revision: 1.55 $ -->
  <chapter xml:id="tutorial" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
   <info><title>A simple tutorial</title></info>
 
@@ -84,7 +84,7 @@
      </programlisting>
      <simpara>
       Use your browser to access the file with your web server's URL, ending
-      with the "/hello.php" file reference. When developing locally this
+      with the <literal>/hello.php</literal> file reference. When developing locally this
       URL will be something like <literal>http://localhost/hello.php</literal> 
       or <literal>http://127.0.0.1/hello.php</literal> but this depends on the
       web server's configuration. If everything is configured correctly, this