$feature_bundle{"5.14"} = $feature_bundle{"5.11"};
$feature_bundle{"5.16"} = $feature_bundle{"5.15"};
$feature_bundle{"5.17"} = $feature_bundle{"5.15"};
+$feature_bundle{"5.18"} = $feature_bundle{"5.15"};
$feature_bundle{"5.9.5"} = $feature_bundle{"5.10"};
our $hint_shift = 26;
:5.16 say state switch unicode_strings
unicode_eval evalbytes current_sub fc
+ :5.18 say state switch unicode_strings
+ unicode_eval evalbytes current_sub fc
+
The C<:default> bundle represents the feature set that is enabled before
any C<use feature> or C<no feature> declaration.