Issue #19285 has been updated by nobu (Nobuyoshi Nakada). Status changed from Open to Third Party's Issue It is about monkey patching Kernel and seems an internal document. I don't think it is useful for users. https://github.com/rubygems/rubygems/pull/6217 On the other hand, RubyGems has the document about extension of `Kernel#require` but it is ignored because it is inside a heredoc. ---------------------------------------- Bug #19285: (docs.rlo) Split stdlib and core documents https://bugs.ruby-lang.org/issues/19285#change-100919 * Author: zzak (Zak Scott) * Status: Third Party's Issue * Priority: Normal * Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN ---------------------------------------- It seems we merge all of the docs for stdlib and core into one for docs.ruby-lang.org, this creates weirdness like [Kernel](https://docs.ruby-lang.org/en/master/Kernel.html) which includes monkey patches for rubygems for example.

RubyGems adds the gem method to allow activation of specific gem versions and overrides the require method on Kernel to make gems appear as if they live on the $LOAD_PATH. See the documentation of these methods for further detail.

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