- Refactoring: Avoid unnecessary addEventListener false; change internal

jPicker function to class (used with `new`)
- Linting (ESLint): Add `valid-jsdoc` rule and make fixes; but turn off for
  now due to <https://github.com/eslint/eslint/issues/11036> and
  <https://github.com/eslint/eslint/issues/11037>
- Docs (JSDoc): Add some Markdown for variables, line breaks; tighten checks
  for overly generic types (though allow for `.Function` as in
  `jQuery.Function`) and avoid one previously missed instance

editor/embedapi-dom.js

@@ -1,6 +1,6 @@
 /* globals jQuery */
 /**
-* Attaches items to DOM for Embedded SVG support
+* Attaches items to DOM for Embedded SVG support.
 * @module EmbeddedSVGEditDOM
 */
 import EmbeddedSVGEdit from './embedapi.js';