eval_error.c: rb_print_inaccessible

* eval_error.c (rb_print_inaccessible): exract from mnew_from_me()
  in proc.c

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46961 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
eval_error.c: quote unprintable

* eval_error.c (rb_print_undef, rb_print_undef_str): quote unprintable
  names.

* eval_error.c (rb_print_inaccessible): ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-07-27

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e