Regenerate

*   Add `popover` to all elements
*   Add `popovertarget`, `popovertargetaction` to `button`. `input`
*   Add `fetchpriority` to `img`, `link`, `script`

Closes GH-8.

index.js

@@ -25,6 +25,7 @@ export const htmlElementAttributes = {
     'itemtype',
     'lang',
     'nonce',
+    'popover',
     'slot',
     'spellcheck',
     'style',
@@ -97,6 +98,8 @@ export const htmlElementAttributes = {
     'formnovalidate',
     'formtarget',
     'name',
+    'popovertarget',
+    'popovertargetaction',
     'type',
     'value'
   ],
@@ -171,6 +174,7 @@ export const htmlElementAttributes = {
     'border',
     'crossorigin',
     'decoding',
+    'fetchpriority',
     'height',
     'hspace',
     'ismap',
@@ -210,6 +214,8 @@ export const htmlElementAttributes = {
     'name',
     'pattern',
     'placeholder',
+    'popovertarget',
+    'popovertargetaction',
     'readonly',
     'required',
     'size',
@@ -232,6 +238,7 @@ export const htmlElementAttributes = {
     'color',
     'crossorigin',
     'disabled',
+    'fetchpriority',
     'href',
     'hreflang',
     'imagesizes',
@@ -284,6 +291,7 @@ export const htmlElementAttributes = {
     'charset',
     'crossorigin',
     'defer',
+    'fetchpriority',
     'integrity',
     'language',
     'nomodule',