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Perl Language Reference Manual
by Larry Wall and others
Paperback (6"x9"), 724 pages
ISBN 9781906966027
RRP £29.95 ($39.95)

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In Perls 5.8.1 and later. If set to unsafe the pre-Perl-5.8.0 signals behaviour (immediate but unsafe) is restored. If set to safe the safe (or deferred) signals are used. See 20.2.1.

ISBN 9781906966027Perl Language Reference ManualSee the print edition