text-1.2.3.0 * Spec compliance: `toCaseFold` now follows the Unicode 9.0 spec (updated from 8.0). * Bug fix: the lazy `takeWhileEnd` function violated the [lazy text invariant](https://github.com/bos/text/blob/1.2.3.0/Data/Text/Internal/Lazy.hs#L51) (gh-184). * Bug fix: Fixed usage of size hints causing incorrect behavior (gh-197). * New function: `unsnoc` (gh-173). * Reduce memory overhead in `encodeUTF8` (gh-194). * Improve UTF-8 decoder error-recovery (gh-182). * Minor documentation improvements (`@since` annotations, more examples, clarifications).