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lines changed Original file line number Diff line number Diff line change @@ -504,6 +504,19 @@ L<C<valid_identifier_pvn()>|perlapi/valid_identifier_pvn> and
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L<C<valid_identifier_sv()>|perlapi/valid_identifier_sv> have been added, which
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test if a string would be considered by Perl to be a valid identifier name.
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+ =item *
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+
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+ When assigning from an SVt_IV into a SVt_NV (or vice versa), providing that
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+ both are "bodyless" types, Perl_sv_setsv_flags will now just change the
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+ destination type to match the source type. Previously, an SVt_IV would have
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+ been upgraded to a SVt_PVNV to store an NV, and an SVt_NV would have been
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+ upgraded to a SVt_PVIV to store an IV. This change prevents the need to
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+ allocate - and later free - the relevant body struct.
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+
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+ =item *
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+
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+ XXX
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+
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=back
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=head1 Selected Bug Fixes
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