> Underscores embedded in integer literals. Perl had this years before D even existed [1]. Given its earlier age and higher reach, it's likely that Perl did mo

> Underscores embedded in integer literals. Perl had this years before D even existed [1]. Given its earlier age and higher reach, it's likely that Perl did more to popularize the idea as well. > Continue or break to labeled loop. Also a feature that Perl had years before D's existence [2]. These two are the ones I immediately recognized because of my familiarity with Perl, but given the trend, I'm doubtful of the other claims as well now. [1] https://perldoc.perl.org/5.005/perldata https://perldoc.perl.org/5.005/perldata [2] https://perldoc.perl.org/5.005/perlsyn#Loop-Control https://perldoc.perl.org/5.005/perlsyn#Loop-Control