string terminator is valid. print <<""; # OK Empty $string terminator is also valid. print <<; # NG This has long been deprecated since 5.000. Use of bare << to mean <<"" is forbidden
(0.22) is buggy crashes from time to time. Please use the version from github (https://github.com/goccy/p5- Compiler-Lexer) until a new version is published to cpan. https://metacpan.org/pod/Perl::LanguageServer