Status:
[v] implemented
[.] partially implemented
[-] unimplementable or unacceptable
[#] very difficult to implement / uncostworthy
[?] worth a discussion
[!] wanted
[ ] unanalyzed

Object
  extend
v object_id
  singleton_methods(all)
- singleton_method_removed
- singleton_method_undefined
Array
v Array.new
v fetch
v fill
- indexes/indices	[deprecated]
v insert
v select
? sort!			[always returns self]
v transpose
v zip
Dir
? Dir.glob
v Dir.chdir
  Dir.open
File::Stat
v rdev_major
v rdev_minor
Hash
# Hash.new
# default
- indexes/indices	[deprecated]
v merge/merge!
v select
v update
IO
v IO.for_fd
v IO.read
v fsync
v sysseek
File
v File.lchmod
v File.lchown
v File.fnmatch/fnmatch?
v File.extname
MatchData
v select
Method
  inspect
Module
  Module.new
  <=>
v include?
  included		[ruby-dev:16777]
- method_removed
- method_undefined
Class
  Class.new
  Class.inherited
Numeric
  /
- clone/dup		[deprecated]
  divmod
  quo
Integer
v to_s
Proc
v yield
Range
  Range.new
  step
Regexp
- Regexp.last_match	[$~ and Regexp.last_match are local]
v options
v eql?
v hash
String
v String.new
v self[regexp, nth]
v self[regexp, nth]=val
v casecmp		[deprecates the use of $=]
v chomp/chomp!		[ruby-dev:16773]
v insert
v match
v slice(regexp, nth)/slice!(bregexp, nth)
v lstrip/lstrip!/rstrip/rstrip!
v to_i
Symbol
- Symbol.all_symbols
v to_sym
Thread
- Thread.list
- keys
ThreadGroup
- list
Time
  Time.at(-1)
- Time.times		[deprecated]
v getgm/getutc
v getlocal
? to_a/zone		[GMT->UTC]
Enumerable
v all?
v any?
v inject
v partition
v sort_by
Marshal
v MAJOR_VERSION
v MINOR_VERSION
Math
v acos
v asin
v atan
v cosh
v sinh
v tanh
v acosh
v asinh
v atanh
v hypot
Precision
  Precision.included
Process
  Process.setpgrp
v Process.times		[deprecates Time.times]
  Process.waitall
  Process::Status	[see also: $?/Process.wait/wait2/``/system]
- $?
Signal

LocalJumpError
  exitstatus
NoMethodError
SystemExit
  message
- status

ENV
- ENV.indexes/indices	[deprecated]
v ENV.select

Struct::*
v each_pair
v select

Kernel
v abort			[SystemExit#message is not implemented yet]
- chomp/chomp!		[$_ is local]
