merge revision(s) 53385: [Backport #11926]
* doc/syntax/calling_methods.rdoc: fix old operator for safe navigation operator. [ci skip][fix GH-1182] Patch by @dougo
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54393 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by naruse (Yui NARUSE) about 9 years ago
merge revision(s) 53385: [Backport #11926]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54393 b2dd03c8-39d4-4d8f-98ff-823fe69b080e