+ distro => {
+ redhat => '7.0',
+ },
+ unicode => '6.1',
+ },
+
+ v5.18 => {
+ new => [
+ ['${^LAST_FH}', 'last read filehandle (used by $.)'],
+ ['/(?[ a + b ])/', 'regex set operations (character substraction -, unions &)'],
+ ['my sub foo', 'lexical subroutines (also state, our)'],
+ ['next $expression', 'loop controls allow runtime expressions'],
+ ["no warnings 'experimental::…'", 'mechanism for experimental features, as of now required for smartmatch'],
+ ],
+ release => '2013-05-18',
+ distro => {
+ debian => 'jessie',
+ },
+ unicode => '6.2',
+ },
+
+ v5.19.5 => {
+ new => [
+ ['%hash{…}', 'hash slices return key+value pairs'],
+ ['[]->@*', 'postfix dereferencing (also e.g. $scalar->$* for $$scalar)'],
+ ],
+ unicode => '6.3',