- Recognize block scalar style to avoid unexpected highlighting by `yamlFlowString` (fix#11517)
- Improve performance of `yamlFlowMappingKey` by allowing execution by the NFA engine (fix#10730)
- It was intentionally disabled before patterns were optimized by `s:SimplifyToAssumeAllPrintable`.
- Fix detection of flow style mapping indicators (fix#8234).
- Enable highlighting of explicit mapping value indicators and node properties in flow style.
- Add syntax highlighting tests
closes: #14354
Signed-off-by: itchyny <itchyny@cybozu.co.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>