nl_tokens: called when a script has finished preloading
pl_tokens: function chain_script_ready ( script_obj , exec_trigger ) { if ( chain_opts [ _Debug ] ) log_msg ( "script preload finished: " + script_obj . real_src ) ; script_obj . <mask> = true ; script_obj . exec_trigger = function ( ) { if ( chain_opts [ _Debug ] ) log_msg ( "script execute start: " + script_obj . real_src ) ; exec_trigger ( ) ; } advance_exec_cursor ( ) ; // will only check for 'ready' scripts to be executed }