Do NextCmd Line 'Control_flow'                        NextCmd ->
With Line from Lines                                  Arg Line : String, Control_flow : ^&ThreadContext

                                                      Call StrTrim Line 'Command' "\r\n" STR_RIGHT

                                                      If Command <> ';.' then
                                                       Call Parser Command 'Control_flow',
                                                            Processor Control_flow

                                                       Iterate
                                                      Else
                                                       Leave
