message: changelog: 1.6.0
diff: +1.6.0 (2022-07-05)
  +==================
  +This release principally includes an upgrade to Unicode 14.
  +
  +New features:
  +
  +* [FEATURE #832](https://github.com/rust-lang/regex/pull/832):
  + Clarify that `Captures::len` includes all groups, not just matching groups.
  +* [FEATURE #857](https://github.com/rust-lang/regex/pull/857):
  + Add an `ExactSizeIterator` impl for `SubCaptureMatches`.
  +* [FEATURE #861](https://github.com/rust-lang/regex/pull/861):
  + Improve `RegexSet` documentation examples.
  +* [FEATURE #877](https://github.com/rust-lang/regex/issues/877):
  + Upgrade to Unicode 14.
  +
  +Bug fixes:
  +
  +* [BUG #792](https://github.com/rust-lang/regex/issues/792):
  + Fix error message rendering bug.
  +
  +
  1.5.6 (2022-05-20)
  ==================
  This release includes a few bug fixes, including a bug that produced incorrect
  