[jhawthorn]

The f suffix has been removed in favour of the existing "foo".freeze (which is now recognized and optimized in the parser)

https://www.ruby-lang.org/en/news/2013/11/22/ruby-2-1-0-prev...

https://bugs.ruby-lang.org/issues/9042

[Slackwise]

That clears up the semantic similarity issue for me nicely. Having them as a literal was too awkward, and honestly, pretty ugly.

Thanks for the heads-up!