updated docs

docs/docs/other.xml

@@ -62,6 +62,7 @@
          <item>zero_extend_cast</item> 
          <item>make_mfp</item> 
          <item>TIME_THIS</item> 
+         <item>timing</item> 
       </section>
       
       <section>
@@ -1051,6 +1052,21 @@
       </component>
             
 
+   <!-- ************************************************************************* -->
+
+      <component>
+         <name>timing</name>
+         <file>dlib/timing.h</file>
+         <spec_file>dlib/timing.h</spec_file>
+         <description>        
+               This is a set of set of functions for timing blocks of code.  Unlike
+               <a href="#TIME_THIS">TIME_THIS</a>, it can be used to find the cumulative
+               time spent on a block which is executed multiple times.
+         </description>
+                                 
+      </component>
+            
+
    <!-- ************************************************************************* -->
 
       

docs/docs/term_index.xml

@@ -488,6 +488,10 @@
          <term file="metaprogramming.html" name="COMPILE_TIME_ASSERT"/>
          <term file="metaprogramming.html" name="DLIB_ASSERT_HAS_STANDARD_LAYOUT"/>
          <term file="other.html" name="TIME_THIS"/>
+         <term file="other.html" name="timing"/>
+         <term file="other.html" name="print"/>
+         <term file="other.html" name="start"/>
+         <term file="other.html" name="stop"/>
          <term link="other.html#TIME_THIS" name="TIME_THIS_TO"/>
          <term file="metaprogramming.html" name="_dT"/>
          <term file="metaprogramming.html" name="is_pointer_type"/>