still left;  removed.

* sprintf.c (rb_f_sprintf): should not prepend '0' if width > prec
  for example "%5.3d".

* process.c (Init_process): add Process.exit and Process.abort

* pack.c (utf8_to_uv): raise ArgumentError for malformed/redundant
  UTF-8 sequences.

* process.c (last_status_set): add pid attribute to Process::Status.

* pack.c (uv_to_utf8): limit maximum length of the encoded string
  to 6 bytes, even when the platform supports 8 bytes long integers.

* pack.c (utf8_to_uv): do not decode sequences longer than 6 bytes.

* object.c (copy_object): use "copy_object" method, not "become".


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e