Our fork of https://github.com/jkraemer/ri_cal, which follows plenty of other forks back to the original (stale for 10 years) gem: https://github.com/rubyredrick/ri_cal. Network view: https://github.com/rubyredrick/ri_cal/network

Specific fixes that we need:

• https://github.com/dustacio/ri_cal/commit/c25430e3defbf100529335cbc25a20a762327717 (see #954)
• https://github.com/jkraemer/ri_cal/commit/d9d8584b8208bb851f04ef7c1516e650ef55df0f (see #12990)