* refactor: extract `splitText`
* fix: respcet CJK width in table
* test: add failing test
* fix: support emoji
* test: add failing test
* feat: support CJK character
* feat: enable adding whitespace between non-CJK/CJK-character by default
* fix: do not print softline at node that is sensitive to its identifier
* fix: treat full-width whitespace as CJK punctuation
* disallow leading/trailing full-width whitespace
* feat: remove `--split-cjk-text` option and enable it by default
* refactor: simplify regex and remove unnecessary `g` flag