"Can pragmas be written or are they part of the Perl release?"

Many pragmata form part of the core Perl distribution: see "Pragmatic Modules".

As of Perl v5.10, you can write your own. The core doco perlpragma explains how to do this.

— Ken

In reply to Re^4: Calling a sub without enclosing its argument inside brackets by kcott
in thread Calling a sub without enclosing its argument inside brackets by syphilis

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