freebsd-ports/devel/p5-Eval-LineNumbers/pkg-descr

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Eval::LineNumbers adds a #line "this-file" 392 comment to hereis text that is
going to be eval'd so that error messages will point back to the right place.
Please note: when you embed \n in your code, it gets expanded in double-quote
hereis documents so it will mess up your line numbering. Use \\n instead when
you can.
WWW: http://search.cpan.org/dist/Eval-LineNumbers/