diff --git a/docs/docs/algorithms.xml b/docs/docs/algorithms.xml
index 6672aaa19..6e1068375 100644
--- a/docs/docs/algorithms.xml
+++ b/docs/docs/algorithms.xml
@@ -37,6 +37,8 @@
                <item>line_search</item> 
                <item>find_min_quasi_newton</item> 
                <item>find_min_conjugate_gradient</item> 
+               <item>find_min_quasi_newton2</item> 
+               <item>find_min_conjugate_gradient2</item> 
             </sub>
          </item>
          <item nolink="true">
@@ -301,6 +303,34 @@
                                  
       </component>
 
+   <!-- ************************************************************************* -->
+      
+      <component>
+         <name>find_min_quasi_newton2</name>
+         <file>dlib/optimization.h</file>
+         <spec_file link="true">dlib/optimization/optimization_abstract.h</spec_file>
+         <description>
+             Performs an unconstrained minimization of the function f() using a 
+              quasi newton method.  This version doesn't take a gradient function of f()
+              but instead numerically approximates the gradient.
+         </description>
+                                 
+      </component>
+
+   <!-- ************************************************************************* -->
+      
+      <component>
+         <name>find_min_conjugate_gradient2</name>
+         <file>dlib/optimization.h</file>
+         <spec_file link="true">dlib/optimization/optimization_abstract.h</spec_file>
+         <description>
+             Performs an unconstrained minimization of the function f() using a 
+              conjugate gradient method. This version doesn't take a gradient function of f()
+              but instead numerically approximates the gradient.
+         </description>
+                                 
+      </component>
+
    <!-- ************************************************************************* -->
       
       <component>
diff --git a/docs/docs/metaprogramming.xml b/docs/docs/metaprogramming.xml
index 66a6bd54a..b8c910fc0 100644
--- a/docs/docs/metaprogramming.xml
+++ b/docs/docs/metaprogramming.xml
@@ -32,6 +32,7 @@
          <name>Objects</name>
          <item>is_pointer_type</item>
          <item>is_same_type</item>
+         <item>is_function</item>
          <item>is_signed_type</item>
          <item>is_unsigned_type</item>
          <item>static_switch</item>
@@ -57,6 +58,7 @@
          <item>_dT</item> 
          <item>TIME_THIS</item> 
          <item>assign_zero_if_built_in_scalar_type</item>
+         <item>wrap_function</item>
       </section>
 
       <section>
@@ -147,6 +149,19 @@
          
       </component>
       
+   <!-- ************************************************************************* -->
+
+      <component>
+         <name>is_function</name>
+         <file>dlib/algs.h</file>
+         <spec_file link="true">dlib/algs.h</spec_file>
+         <description>
+            This is a template where is_function&lt;T&gt;::value == true when T is 
+            a function type.  
+         </description>
+         
+      </component>
+      
    <!-- ************************************************************************* -->
       
       <component>
@@ -416,7 +431,7 @@
       <component>
          <name>assign_zero_if_built_in_scalar_type</name>
          <file>dlib/algs.h</file>
-         <spec_file>dlib/algs.h</spec_file>
+         <spec_file link="true">dlib/algs.h</spec_file>
          <description>        
             <p>
                This function assigns its argument the value of 0 if it is a built in scalar
@@ -433,6 +448,20 @@
                                  
       </component>
             
+            
+   <!-- ************************************************************************* -->
+      
+      <component>
+         <name>wrap_function</name>
+         <file>dlib/algs.h</file>
+         <spec_file link="true">dlib/algs.h</spec_file>
+         <description>        
+            This is a template that allows you to turn a global function into a 
+            function object.  See the specs for more details. 
+         </description>
+                                 
+      </component>
+            
 
    <!-- ************************************************************************* -->
 
diff --git a/docs/docs/term_index.xml b/docs/docs/term_index.xml
index d71a8c049..f4edb9a86 100644
--- a/docs/docs/term_index.xml
+++ b/docs/docs/term_index.xml
@@ -322,6 +322,8 @@
          <term link="algorithms.html#line_search" name="line_search"/>
          <term link="algorithms.html#find_min_quasi_newton" name="find_min_quasi_newton"/>
          <term link="algorithms.html#find_min_conjugate_gradient" name="find_min_conjugate_gradient"/>
+         <term link="algorithms.html#find_min_quasi_newton2" name="find_min_quasi_newton2"/>
+         <term link="algorithms.html#find_min_conjugate_gradient2" name="find_min_conjugate_gradient2"/>
 
 
          <term link="algorithms.html#rectangle" name="rectangle"/>
@@ -543,6 +545,8 @@
          <term link="metaprogramming.html#_dT" name="_dT"/>
          <term link="metaprogramming.html#is_pointer_type" name="is_pointer_type"/>
          <term link="metaprogramming.html#is_same_type" name="is_same_type"/>
+         <term link="metaprogramming.html#is_function" name="is_function"/>
+         <term link="metaprogramming.html#wrap_function" name="wrap_function"/>
          <term link="metaprogramming.html#is_signed_type" name="is_signed_type"/>
          <term link="metaprogramming.html#is_unsigned_type" name="is_unsigned_type"/>
          <term link="metaprogramming.html#noncopyable" name="noncopyable"/>