Subject: | Unescaped left brace in regex is illegal here in regex |
The test suite fails with perl 5.25.x. The crucial line in the log is:
Unescaped left brace in regex is illegal here in regex; marked by <-- HERE in m/\G(\$(?!\{)|\\(?!\${ <-- HERE )|[^\\\$]+)/ at /tmpfs/.cpan-build-cpansand/2016082418/XML-XSH2-2.1.25-0/blib/lib/XML/XSH2/Functions.pm line 2096.