* io.c (io_fwrite): freeze converted str.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/bigdecimal: update class method call style from :: to .
  in documentation and usage.
* ext/bigdecimal/lib/bigdecimal/math.rb: [DOC] fix examples values.
  Computations were made using ruby 2.0.0p247 to ensure
  no effect of the recent BigDecimal bug.
* ext/bigdecimal/sample/nlsolve.rb: fix indent.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-01-03

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44487 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test/net/imap/test_imap.rb: fix test failures due to expired certs

* test/net/imap/cacert.pem: generate new CA cert, since the last one
  expired. [Bug #9341] [ruby-core:59459]
* test/net/imap/server.crt: new server cert signed with updated CA.
* test/net/imap/Makefile: add `make regen_certs` to automate this
  process.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* properties.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44489 b2dd03c8-39d4-4d8f-98ff-823fe69b080e