Onigmo 6.1.2

Changes from Onigmo 6.1.1 are listed below.

Security fixes

• Initialize return values. (Ruby r57660)
  • https://bugs.ruby-lang.org/issues/13234
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6181

Improvement

• Improve document about absence operator (Issue #87)
  The name of the operator was changed from "absent" to "absence".
• Import the latest enc-unicode.rb from Ruby r58070. (Ruby r58065, r58066, r58069 and r58070.)

Bug fixes

• Fix macro expansion bug. (Ruby r58468)
• Fix UTF-32 valid_encoding?. (Ruby r57816)
• Fix missing const on onig_new_without_alloc. (Issue #85)