merge revision(s) 56421,56422: [Backport #11736]
* object.c: Improve documentation for Integer conversion. [ruby-core:71661][Bug #11736][ci skip] * object.c: Improve documentation for Float conversion.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@56501 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 56421,56422: [Backport #11736]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@56501 b2dd03c8-39d4-4d8f-98ff-823fe69b080e