RUBY_ECONV_STATEFUL_DECORATOR_MASK  376 include/ruby/encoding.h RUBY_ECONV_STATEFUL_DECORATOR_MASK          = 0x00f00000,
RUBY_ECONV_STATEFUL_DECORATOR_MASK  400 include/ruby/encoding.h #define ECONV_STATEFUL_DECORATOR_MASK           RUBY_ECONV_STATEFUL_DECORATOR_MASK