Issue #9234 has been reported by zzak (Zachary Scott).

----------------------------------------
Bug #9234: Documentation for upgrading to supported versions
https://bugs.ruby-lang.org/issues/9234

Author: zzak (Zachary Scott)
Status: Assigned
Priority: Normal
Assignee: zzak (Zachary Scott)
Category: doc
Target version: current: 2.1.0
ruby -v: 2.1.0dev
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


cc #9216


-- 
http://bugs.ruby-lang.org/