Editing Raku (programming language) (section)

===Initial goals and implications===
The major goal Wall suggested in his initial speech was the removal of historical warts. These included the confusion surrounding [[sigil (computer programming)|sigil]] usage for containers, the ambiguity between the <code>select</code> functions, and the syntactic impact of bareword [[filehandle]]s. There were many other problems that Perl programmers had discussed fixing for years, and these were explicitly addressed by Wall in his speech.{{citation needed|date=July 2019}}

An implication of these goals was that Perl 6 would not have [[backward compatibility]] with the existing Perl codebase. This meant that some code which was correctly interpreted by a Perl 5 compiler would not be accepted by a Perl 6 compiler. Since backward compatibility is a common goal when enhancing software, the breaking changes in Perl 6 had to be stated explicitly. The distinction between Perl 5 and Perl 6 became so large that eventually Perl 6 was renamed Raku.