Control-lines carry special instructions to TZINIT; they may only be given between titles, and not within the data-body of a particular title. An option selected by a control line is switched on or off at the moment the line is read, and stays in effect until changed by the inverse selection, but the effect does not carry from one call to TZINIT to the next.
*--- normal comment line
*.-- non-printing comment line
blank lines are allowed and ignored
*LOG logging information to be printed by TZINIT;
*LOG OFF switch off (default : according to the log level of
the store, normally 'on')
If LOG is 'on' TZINIT will echo on the log-file
each control line and each title header line read.
*PRInt echo data lines for free-field format titles;
*PRInt OFF switch off (default : 'off')
*PRINT implies *LOG
*USer call TZUSER for every title bank;
*USer OFF switch off (default : 'off')
*KIll kill the run also for slight trouble;
*KIll OFF switch off (default : 'off')
*ANYWAY TZINIT is to return to the caller even for fatal errors,
IQUEST(1) = number of errors, =0 normally
*FINish end of input data
One gives *FINISH only to terminate titles on
the ``standard input file'' (the ``card reader'') in order to
separate from further input data.
For stand-alone files this is not necessary, as the EOF will
terminate correctly.
On the IBM it could even be harmful with concatenated title files.