[tantalor]

This is a syntax error in perl, so impossible?

  > perl -e "g()()"
  syntax error at -e line 1, near ")("
  Execution of -e aborted due to compilation errors.

[eatnumber1]

Can you submit a pull request saying as much in the same format as the Ruby one?

[dima55]

Nah, you can use a source filter. "man perlfilter"