linking exp and log

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@127256 c90b9560-bf6c-de11-be94-00142212c4b1

reference/math/functions/exp.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/math.xml, last change in rev 1.2 -->
   <refentry id="function.exp">
    <refnamediv>
@@ -16,8 +16,11 @@
     <para>
      Returns <constant>e</constant> raised to the power of <parameter>arg</parameter>.
     </para>
+
     <para>
-     See also <function>pow</function>.
+     See also 
+     <function>log</function> and
+     <function>pow</function>.
     </para>
    </refsect1>
   </refentry>

reference/math/functions/log.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <!-- splitted from ./en/functions/math.xml, last change in rev 1.2 -->
   <refentry id="function.log">
    <refnamediv>
@@ -30,6 +30,10 @@
       log<subscript>b</subscript>(n) = log(n)/log(b), where log is the
       neperian (or natural) logarithm.
      </para>
+     <para>
+      See also 
+      <function>exp</function>.
+     </para>
     </note>
    </refsect1>
   </refentry>