! Aware to Perl: Illegal character %s (carriage return)

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Illegal character %s (carriage return)

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Illegal character %s (carriage return)

(F) A carriage return character was found in the input. This is an error, and not a warning, because carriage return characters can break multi-line strings, including here documents (e.g., print <<EOF;).

Illegal switch in PERL5OPT: %s

(X) The PERL5OPT environment variable may only be used to set the following switches: -[DIMUdmw].

Source: what's new for perl5.004
Copyright: Larry Wall, et al.

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