Move doc/NEWS to NEWS and say that this document is about changes made

since Ruby 1.8.7.

Merge "severe" and "trivial" sections of incompatibility notes because
the definition of trivialness is so unclear.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@20658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 187 deletions

diff --git a/doc/NEWS b/doc/NEWS
deleted file mode 100644
index 3b50be9e20..0000000000
--- a/doc/NEWS
+++ /dev/null
@@ -1,187 +0,0 @@
-Changes for 1.9
-
-Incompatible (Severe)
-
-    * New syntax and semantics
-          o Block arguments are always local
-          o Block arguments
-          o New semantics for block arguments
-          o Block local variables
-    * Array
-          o Array#nitems was removed (use count {|i| !i.nil?})
-          o Array#choice was removed (use sample)
-    * String
-          o No longer an Enumerable
-          o ?c semantics
-          o "One-char-wide" semantics for String#[] and String#[]= [Ruby2]
-          o Encoding-awareness
-    * IO operations
-          o IO#getc
-
-Incompatible (Trivial)
-
-    * New syntax and semantics
-          o Method used for splat arguments: #to_splat
-          o defined? and local variables
-    * Kernel and Object
-          o Kernel#require
-    * Class and Module
-          o Class variables behavior
-          o Module#attr is an alias of attr_reader
-          o Module#instance_methods, #private_instance_methods, #public_instance_methods
-          o Extra subclassing check when binding UnboundMethods
-    * Exceptions
-          o Equality of exceptions
-          o SystemStackError
-          o SecurityError
-          o Removed Exception#to_str [Ruby2]
-    * Array
-          o Array#[m,n] = nil places nil in the array.
-    * Hash
-          o Hash#default_proc=
-          o Hash#to_s is equivalent to Hash#inspect
-          o Semantics for Hash#each and Hash#each_pair
-          o Hash#select
-          o Hash#key is the new name for #index which has been deprecated.
-          o Most of the changes in Hash apply to hash like interfaces such as
-            ENV and *DBM.
-    * Integer
-          o Integer(nil) raises TypeError
-    * Struct
-          o Struct#inspect
-    * File and Dir operations
-          o #to_path in File.path, File.chmod, File.lchmod, File.chown, File.lchown, File.utime, File.unlink... [Ruby2]
-          o Dir.[], Dir.glob
-          o Dir.exist?
-    * IO operations
-          o Non-blocking IO
-          o Kernel#open takes "t" for newline conversion
-          o Kernel#open takes encoding specified
-          o IO#initialize now accepts an IO argument
-          o StringIO#readpartial
-          o IO.try_convert
-          o Limit input in IO#gets, IO#readline, IO#readlines, IO#each_line, IO#lines, IO.foreach, IO.readlines, StringIO#gets, StringIO#readline, StringIO#each, StringIO#readlines
-          o IO#ungetc, StringIO#ungetc
-	  o IO#internal_encoding, IO#external_encoding, IO#set_encoding
-	  o IO.pipe takes encoding option
-    * Time
-          o New format in Time#to_s
-          o Timezone information preserved on Marshal.dump/load
-    * Symbols: restriction on literal symbols
-    * Readline
-          o If Readline uses libedit, Readline::HISTORY[0] returns the first of the history.
-    * $SAFE and bound methods
-    * Deprecation
-          o VERSION and friends
-          o Kernel.to_a
-          o Kernel#getc
-          o Object#type
-          o Hash#index
-          o ENV.index
-          o Symbol#to_int
-          o Removed Array and Hash #indices, #indexes
-	  o libraries: base64, mailread, getopts, parsearg, soap, wsdl
-
-Compatible
-
-    * New syntax and semantics
-          o New literal hash syntax
-          o New syntax for lambdas
-          o .() and calling Procs without #call/#[]
-          o Mandatory arguments after optional arguments allowed
-          o Multiple splats allowed
-          o Arguments to #[]
-          o printf-style formatted strings (%)
-          o Newlines allowed before ternary colon
-    * Kernel and Object
-          o BasicObject
-          o Object#=~
-          o Kernel#instance_variable_defined?
-          o Kernel#define_singleton_method
-          o Kernel#singleton_methods, Kernel#methods
-    * Class and Module
-          o Module#const_defined?, #const_get and #method_defined?
-          o Module#class_variable_defined?
-          o #class_variable_{set,get}
-          o Class of singleton classes
-    * Binding#eval
-    * Blocks and Procs
-          o Arity of blocks without arguments
-          o proc is now a synonym of Proc.new
-    * Blocks and Procs
-          o Proc#yield
-          o Passing blocks to #[]
-          o Proc#lambda?
-    * Enumerable and Enumerator
-          o Enumerable#map,collect_all called without a block returns
-            an enumerator.
-          o Enumerable#each_with_object [experimental]
-          o Enumerator#with_object [experimental]
-          o Enumerator.new { ... } [experimental]
-    * Regexp#match, String#match
-          o Regexp#match, String#match
-    * Encoding
-    * Encoding::Converter
-    * Fiber: coroutines/micro-threads
-    * Array
-          o Array#delete returns a deleted element rather than a given
-            object
-          o Array#to_s is equivalent to Array#inspect
-          o Array.try_convert
-    * Hash
-          o preserving item insertion order
-          o Hash#_compare_by_identity and Hash#compare_by_identity?
-          o Hash.try_convert
-    * Numeric
-          o Numeric#upto, #downto, #times, #step
-          o Numeric#scalar?, Complex#scalar?
-          o Numeric#div
-          o Numeric#fdiv
-    * Range
-          o Range#cover?
-          o Range#include? iterates over elements and compares the
-            given value with each element unless the range is numeric.
-            Use Range#cover? for the old behavior, i.e. comparison
-            with boundary values.
-          o Range#min, Range#max
-    * Regexp
-          o Regexp#=== matches symbols
-          o Regexp.try_convert
-    * String
-          o String#clear
-          o String#ord
-          o String#getbyte, String#setbyte
-          o String#encoding
-          o String#force_encoding
-          o String#unpack with a block
-          o String#hash
-          o String.try_convert
-	  o String.encoding, String#force_encoding, String#encode
-    * Symbol
-          o Zero-length symbols allowed
-          o Symbol#=== matches strings
-          o Symbol#intern
-          o Symbol#encoding
-          o Symbol methods similar to those in String
-    * Math
-          o Math#log and Math#log2
-    * File and Dir operations
-          o New methods
-    * Process
-          o Process.daemon
-    * Readline
-          o Readline.vi_editing_mode?
-          o Readline.emacs_editing_mode?
-          o Readline::HISTORY.clear
-    * Misc. new methods
-          o public_send
-          o GC.count
-          o ObjectSpace.count_objects
-          o Method#hash, Proc#hash
-          o __callee__
-
-* Implementation
-    * Memory Diet
-      * Object Compaction - Object, Array, String, Hash, Struct, Class, Module
-      * st_table compaction (inlining small tables)
-    * YARV