remove obsolete, non-standard, or deprecated tags

packages/dash-html-components/scripts/data/elements.txt

@@ -17,7 +17,6 @@ nav
 section
 blockquote
 dd
-dir
 div
 dl
 dt
@@ -58,7 +57,6 @@ strong
 sub
 sup
 time
-tt
 u
 var
 wbr
@@ -68,9 +66,7 @@ img
 map
 track
 video
-applet
 embed
-noembed
 object
 param
 picture
@@ -105,45 +101,34 @@ select
 textarea
 details
 dialog
-menu
-menuitem
 summary
 content
 element
 shadow
 slot
 template
 acronym
-applet
 basefont
-bgsound
 big
 blink
 center
 command
 content
-dir
 element
 font
 frame
 frameset
-image
 isindex
 keygen
 listing
 marquee
-menu
-menuitem
 multicol
 nextid
 nobr
-noembed
-noframes
 plaintext
 shadow
 spacer
 strike
-tt
 xmp
 base
 section

packages/dash-html-components/scripts/extract-elements.js

@@ -12,7 +12,10 @@ const dataPath = './data/elements.txt';
  */
 function extractElements($) {
     const excludeElements = [
-        'html', 'head', 'body', 'style', 'h1–h6', 'input'
+        'html', 'head', 'body', 'style', 'h1–h6', 'input',
+        // obsolete, non-standard, or deprecated tags
+        'image', 'dir', 'tt', 'applet', 'noembed', 'bgsound', 'menu', 'menuitem',
+        'noframes'
     ];
     // `<section>` is for some reason missing from the reference tables.
     const addElements = [

packages/dash-html-components/src/components/Base.react.js

@@ -1,3 +1,4 @@
+
 import React from 'react';
 import PropTypes from 'prop-types';
 
@@ -52,7 +53,7 @@ Base.propTypes = {
      * See https://reactjs.org/docs/lists-and-keys.html for more info
      */
     'key': PropTypes.string,
-
+    
 
     /**
      * The URL of a linked resource.
@@ -130,7 +131,7 @@ Base.propTypes = {
     'fireEvent': PropTypes.func,
 
     'dashEvents': PropTypes.oneOf(['click'])
-
+    
 };
 
 export default Base;