-Base class for data loaders. To enable objects of a certain class to be loaded
-from datafiles, create a public Loader class in it, derived from this class.
-Typically the Loader class contains a reference to the object being loaded. If
-you want to load data members of the object directly, the Loader class must
-have a member function get_object() returning that reference.
+Base class for data loaders. To give loading capabilities to a class, create a
+public Loader class in it, derived from this class. Typically a loader object
+contains a reference to the loaded object. To make use of loading directly
+into data members, the Loader class must have a get_object() member function,
+returning that reference.