Thanks to Michael Zimmerman for the bug report
* lib/net/pop.rb: make modified strings mutable
[ruby-core:85210] [Bug #14416]
* test/net/pop/test_pop.rb: new test
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e