fileutils.rb: [DOC] update rdoc

* lib/fileutils.rb (FileUtils#copy_entry): update rdoc about
  preserve option and permissions, following r31123.
  [ruby-core:62065] [Bug #9748]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45604 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-04-17

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45605 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c: reduce duplicated code

* string.c (rb_str_cat, rb_str_cat2): reduce duplicated code, they
  are same as rb_str_buf_cat and rb_str_buf_cat2 respectively now.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45606 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c: alias of rb_str_buf_cat and rb_str_buf_cat2

* string.c (rb_str_cat, rb_str_cat2): make aliases of
  rb_str_buf_cat and rb_str_buf_cat2 respectively.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45607 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: FUNC_MINIMIZED

* configure.in (RUBY_FUNC_ATTRIBUTE): escape double quotes in
  attribute.

* configure.in (FUNC_MINIMIZED): attribute to minimize function
  body.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c: rb_str_cat_cstr

* string.c (rb_str_cat): make non-buf version main.

* string.c (rb_str_cat_cstr): rename from rb_str_cat2.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c: argument check

* string.c (rb_str_cat_cstr): check the argument as other `_cstr`
  functions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45610 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* template/opt_sc.inc.tmpl: [DOC] Fix typo in comment by @imasahiro [ci skip][fix GH-595]
* template/optinsn.inc.tmpl: ditto.
* template/optunifs.inc.tmpl: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45611 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* prelude.rb: [DOC] Update Thread::exclusive docs by @stevenharman.
  [ci skip][fix GH-589]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45612 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
gc.c: suppress a warning

* gc.c (get_envparam_size): suppress a warning by char-subscripts.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby.c: drop older cygwin

* ruby.c (push_include_cygwin): drop older cygwin support.

* ruby.c (ruby_init_loadpath_safe): ditto, and always use String as
  libpath buffer on Windows.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45614 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Testing a commit
Merge branch 'trunk' of https://github.com/parasoftSupport/ruby into trunk
Merge branch 'trunk' of github.com:ruby/ruby into trunk