In reality, an "invalid" character is just a non-printable character (a.k.a. an "invisible" character).
Created attachment 376475 [details] Patch
Comment on attachment 376475 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=376475&action=review r=me > Source/WebInspectorUI/UserInterface/Base/Setting.js:170 > - showInvalidCharacters: new WI.Setting("show-invalid-characters", false), > + showInvisibleCharacters: new WI.Setting("show-invisible-characters", !!WI.Setting.migrateValue("show-invalid-characters")), Nice!
Comment on attachment 376475 [details] Patch Clearing flags on attachment: 376475 Committed r248773: <https://trac.webkit.org/changeset/248773>
All reviewed patches have been landed. Closing bug.
<rdar://problem/54395136>