message: Only add delete button to PRs you can modify
  Fixes
diff: @@ -3,7 +3,7 @@ import select from 'select-dom';
  import * as icons from '../libs/icons';
  export default function () {
  - for (const {parentElement: editLink} of select.all('.file-header .octicon-pencil')) {
  + for (const {parentElement: editLink} of select.all('.file-header [href] .octicon-pencil')) {
  // Transform the `edit` URL into a `delete` url
  const deleteUrl = editLink.pathname.replace(/^(\/[^/]+\/[^/]+\/)edit/, '$1delete');
  