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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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Invalid hexadecimal number in \\N{U+...}

(F) The character constant represented by ... is not a valid hexadecimal number. Either it is empty, or you tried to use a character other than 0 - 9 or A - F, a - f in a hexadecimal number.

ISBN 9781906966027Perl Language Reference ManualSee the print edition