v2022.7.20 - fix bug where directive "//jslint-ignore-lines" would suppress legitimate warnings

What's Changed

• • doc - document jslint directives by @kaizhu256 in #407
• • bugfix - warnings that should be ignored sometimes suppress legitimate warnings by @kaizhu256 in #409

• v2022.7.20 by @kaizhu256 in #411

Full Changelog: v2022.6.21...v2022.7.20