GetOpenFile().  [ruby-dev:24947]

* file.c (rb_file_truncate): ditto.

* file.c (rb_file_s_truncate): ditto.

* dir.c (dir_seek): use NUM2OFFT().

* misc/ruby-mode.el (ruby-non-block-do-re): [ruby-core:03719]

* dir.c (dir_seek): should retrieve dir_data after NUM2INT().
  [ruby-dev:24941]

* string.c (rb_str_splice): should place index wrapping after
  possible modification.  [ruby-dev:24940]

* eval.c (error_print): nicer traceback at interrupt.
  [ruby-core:03774]

* string.c (str_gsub): internal buffer should not be listed by
  ObjectSpace.each_object() by String#gsub.  [ruby-dev:24931]

* lib/cgi/session.rb (CGI::Session::FileStore::initialize): raise
  exception if data corresponding to session specified from the
  client does not exist.

* string.c (str_gsub): internal buffer should not be listed by
  ObjectSpace.each_object().  [ruby-dev:24919]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7354 b2dd03c8-39d4-4d8f-98ff-823fe69b080e