function onFind( error, files ) {
		var fopts;
		if ( error ) {
			return done( error );
		}
		debug( 'Found %d README files.', files.length );
		if ( files.length ) {
			debug( 'Reading files...' );
			fopts = {
				'encoding': 'utf8'
			};
			return readFileList( files, fopts, onRead );
		}
		return done( null, [] );
	}
Callback invoked after finding package README files.

@private
@param {(Error|null)} error - error object
@param {(EmptyArray|StringArray)} files - list of matching files
@returns {void}