updated docs

docs/docs/algorithms.xml

@@ -28,6 +28,7 @@
          <item>crc32</item> 
          <item>rand</item> 
          <item>hash</item> 
+         <item>disjoint_subsets</item> 
          <item>murmur_hash3</item> 
          <item>running_stats</item> 
          <item>running_scalar_covariance</item> 
@@ -256,6 +257,22 @@
          </description>
       </component>
       
+   <!-- ************************************************************************* -->
+      
+      <component>
+         <name>disjoint_subsets</name>
+         <file>dlib/disjoint_subsets.h</file>
+         <spec_file link="true">dlib/disjoint_subsets/disjoint_subsets_abstract.h</spec_file>
+         <description>
+                This object represents a set of integers which is partitioned into
+                a number of disjoint subsets.  It supports the two fundamental operations
+                of finding which subset a particular integer belongs to as well as 
+                merging subsets. 
+         </description>
+
+      </component>
+      
+      
    <!-- ************************************************************************* -->
 
       <component>

docs/docs/term_index.xml

@@ -100,6 +100,8 @@
          <term file="bayes.html" name="node_next_parent_assignment"/>
          <term file="bayes.html" name="node_cpt_filled_out"/>
 
+         <term file="algorithms.html" name="disjoint_subsets"/>
+         <term link="algorithms.html#disjoint_subsets" name="union-find"/>
          <term file="algorithms.html" name="rectangle"/>
          <term file="algorithms.html" name="edge"/>
          <term file="algorithms.html" name="is_join_tree"/>