merge revision(s) r44549: [Backport #9387]
* range.c (Range#size): [DOC] improve description and add examples. Patch by @skade. [Fixes GH-501]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r44549: [Backport #9387]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@45013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e