pdd15: * fix minor typo (PMCS -> PMCs) * add space to fix inheritance tree of RubyString example.
pdd15:
* fix minor typo (PMCS -> PMCs)
* add space to fix inheritance tree of RubyString example.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@18011 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot