load.c (ruby_init_ext): make idempotent to suppress warnings

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45232 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-03-02

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* NEWS-2.1.0: Mention that step can accept a 0 unit. See #9575

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45234 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* numeric.c: Mention that Float::DIG is the minimum number
  of siginificant digits. See #9191

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* proc.c: Tweak rdoc for consistent whitespace

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* proc.c: Modify rdoc of Proc#arity to fit with current behavior.
  See #5694

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* proc.c: Complete rdoc of Proc#arity regarding keyword arguments.
  See #8072 and #9299.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* README.EXT: [DOC] Remove needless char

* README.EXT.ja: ditto


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
extconf.rb: rl_hook_func_t for old readline

* ext/readline/extconf.rb (rl_hook_func_t): define as Function for
  very old readline versions.  [ruby-core:61209] [Bug #9578]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45240 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
find.rb: add ignore_error

* lib/find.rb (Find#find): add "ignore_error" keyword argument
  defaulted to true.  [ruby-core:51025] [Feature #7596]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45241 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Revert r45239 [ci skip]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
A comment added.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix the number of intro lines r44123

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Use assert_separately to speed up

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/ruby/test_backtrace.rb: get rid of warnings.  unused variable,
  shadowing.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45246 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-03-03

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45247 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* io.c (rb_io_flush_raw, rb_io_fsync): [EXPERIMENTAL] remove force
  syncing for Win32 to speed up IO.  this may break some tests, and
  they'll be fixed later.
  [ruby-core:58570] [Bug #9153]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45254 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* NEWS: mention about the change of r45254.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45255 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* io.c (rb_io_fsync): revert a part of r45254.  explicit fsync should update
  the metadata.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45256 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/win32ole: get rid of warnings (unused variable).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e