docs: function ( clbk ) {
  
  		// NOTE: the 'this' context is the application.
  
  		//
  		this.get( '/lib/d3.min.js', function onRequest( request, response ) {
  
  			fs.readFile( __dirname + '/../lib/d3.min.js', 'utf8', function onFile( error, script ) {
  
  				response.writeHead( 200, {
  					'Content-Type': 'text/javascript'
  				});
  				response.write( script );
  				response.end();
  
  			});
  
  		});
  
  		//
  		this.get( '/lib/lodash.min.js', function onRequest( request, response ) {
  
  			fs.readFile( __dirname + '/../lib/lodash.min.js', 'utf8', function onFile( error, script ) {
  
  				response.writeHead( 200, {
  					'Content-Type': 'text/javascript'
  				});
  				response.write( script );
  				response.end();
  
  			});
  
  		});
  
  		//
  		this.get( '/build/xfig.js', function onRequest( request, response ) {
  
  			fs.readFile( __dirname + '/../build/xfig.js', 'utf8', function onFile( error, script ) {
  
  				response.writeHead( 200, {
  					'Content-Type': 'text/javascript'
  				});
  				response.write( script );
  				response.end();
  
  			});
  
  		});
  
  		//
  		this.get( '/build/xfig.min.js', function onRequest( request, response ) {
  
  			fs.readFile( __dirname + '/../build/xfig.min.js', 'utf8', function onFile( error, script ) {
  
  				response.writeHead( 200, {
  					'Content-Type': 'text/javascript'
  				});
  				response.write( script );
  				response.end();
  
  			});
  
  		});
  
  		// Callback:
  		clbk();
  
  	}