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-
- s'$lhs'$rhs' now does no interpolation on either side. It used to
- interplolate $lhs but not $rhs.
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- The second and third arguments of splice are now evaluated in scalar
- context (like the book says) rather than list context.
-
- Saying shift @foo + 20 is now a semantic error.
-
- The elements of argument lists for formats are now evaluated in list
- context.
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- You can't do a goto into a block that is optimized away.
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- It is no longer syntactically legal to use whitespace as the name
- of a variable.
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- Some error messages will be different.
-