updated docs

docs/docs/ml.xml

@@ -2119,6 +2119,17 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
                                  
       </component>
       
+   <!-- ************************************************************************* -->
+      
+      <component>
+         <name>load_mnist_dataset</name>
+         <file>dlib/data_io.h</file>
+         <spec_file>dlib/data_io/mnist_abstract.h</spec_file>
+         <description>
+            Loads the <a href="http://yann.lecun.com/exdb/mnist/">MNIST dataset</a> from disk.
+         </description>
+      </component>
+      
    <!-- ************************************************************************* -->
       
       <component>

docs/docs/term_index.xml

@@ -294,6 +294,7 @@
          <term file="ml.html" name="save_image_dataset_metadata"                 include="dlib/data_io.h"/>
          <term file="ml.html" name="load_libsvm_formatted_data"                  include="dlib/data_io.h"/>
          <term file="ml.html" name="save_libsvm_formatted_data"                  include="dlib/data_io.h"/>
+         <term file="ml.html" name="load_mnist_dataset"                          include="dlib/data_io.h"/>
          <term file="linear_algebra.html" name="sparse_to_dense"                 include="dlib/sparse_vector.h"/>
          <term file="ml.html" name="fix_nonzero_indexing"                        include="dlib/data_io.h"/>
          <term link="ml.html#mlp" name="multi-layer perceptron"                  include="dlib/mlp.h"/>