FUNCTION: crep_silent - turn CREP into silent mode

CALLING SEQUENCE:
crep_silent()

PARAMETERS:
none

SYNOPSIS:

• crep_silent() disables the enforced printing of result of CREP-functions by setting the internal control variable `%cr_silent` to true.

• By default, CREP is in non-silent (or verbose) mode.

• crep_silent will always return the value true.

EXAMPLES:

> q:=iscriticale(critical_alge(6,1));

> crep_silent();

> q:=iscriticale(critical_alge(6,1));

> q;