Minor updates to the apt.conf manual

[Aurélien Couderc <acouderc@april.org>]

Hi,

while working on updating the french translation for the apt.conf manual, I 
found some small mistakes or imprecisions I thought might be worth correcting.	
See the attached patch.

Regards,
Aurélien

--- apt.conf.5.xml-initial	2009-07-07 00:36:08.000000000 +0200
+++ apt.conf.5.xml	2009-07-16 19:47:42.000000000 +0200
@@ -71,7 +71,7 @@
 </programlisting></informalexample>
 
    <para>with newlines placed to make it more readable. Lists can be created by 
-   opening a scope and including a single word enclosed in quotes followed by a 
+   opening a scope and including a single string enclosed in quotes followed by a
    semicolon. Multiple entries can be included, each separated by a semicolon.</para>
 
 <informalexample><programlisting>   
@@ -88,7 +88,8 @@
    <para>Two specials are allowed, <literal>#include</literal> and <literal>#clear</literal> 
    <literal>#include</literal> will include the given file, unless the filename
    ends in a slash, then the whole directory is included.  
-   <literal>#clear</literal> is used to erase a list of names.</para>
+   <literal>#clear</literal> is used to erase a part of the configuration tree. The
+   specified element and all its descendents are erased.</para>
 
    <para>All of the APT tools take a -o option which allows an arbitrary configuration 
    directive to be specified on the command line. The syntax is a full option
@@ -174,7 +175,7 @@
 
    <variablelist>
      <varlistentry><term>PDiffs</term>
-	 <listitem><para>Try do download deltas called <literal>PDiffs</literal> for
+	 <listitem><para>Try to download deltas called <literal>PDiffs</literal> for
 	 Packages or Sources files instead of downloading whole ones. True
 	 by default.</para></listitem>
      </varlistentry>
@@ -684,7 +685,7 @@
        <term><literal>Debug::pkgInitConfig</literal></term>
        <listitem>
 	 <para>
-	   Dump the default configuration to standard output on
+	   Dump the default configuration to standard error on
 	   startup.
 	 </para>
        </listitem>
@@ -767,6 +768,8 @@
        </listitem>
      </varlistentry>
 
+<!-- 2009/07/11 Currently used nowhere. The corresponding code
+is commented.
      <varlistentry>
        <term><literal>Debug::Vendor</literal></term>
 
@@ -776,6 +779,7 @@
 	 </para>
        </listitem>
      </varlistentry>
+-->
    </variablelist>
  </refsect1>