logtalk comment /* test file for Logtalk parsing */ logtalk blank logtalk comment % this is a Logtalk source file logtalk blank logtalk code :- object(hello_world). logtalk blank logtalk comment % the initialization/1 directive argument is automatically executed logtalk comment % when the object is loaded into memory: logtalk code :- initialization((nl, write('********** Hello World! **********'), nl)). logtalk blank logtalk code :- end_object.