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* sprintf.c (ruby__sfvextra): add QUOTE flag to escape unprintable characters. * sprintf.c (ruby__sfvextra): add QUOTE flag to escape unprintable characters. * re.c (match_aref, rb_reg_regsub): consider encoding of captured names, encoding-incompatible should not match. [ruby-dev:48278] [Bug #9903] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@47364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e