RUBY_ENC_CODERANGE_UNKNOWN   87 include/ruby/encoding.h      (a) != RUBY_ENC_CODERANGE_VALID ? RUBY_ENC_CODERANGE_UNKNOWN : \
RUBY_ENC_CODERANGE_UNKNOWN   98 include/ruby/encoding.h #define ENC_CODERANGE_UNKNOWN	RUBY_ENC_CODERANGE_UNKNOWN