{"action":"opened","issue":{"url":"https://api.github.com/repos/cmb69/advancedform_xh/issues/21","labels_url":"https://api.github.com/repos/cmb69/advancedform_xh/issues/21/labels{/name}","comments_url":"https://api.github.com/repos/cmb69/advancedform_xh/issues/21/comments","events_url":"https://api.github.com/repos/cmb69/advancedform_xh/issues/21/events","html_url":"https://github.com/cmb69/advancedform_xh/issues/21","id":81205673,"number":21,"title":"Tooltips of tool buttons only visible in some browsers","user":{"login":"cmb69","id":2306138,"avatar_url":"https://avatars.githubusercontent.com/u/2306138?v=3","gravatar_id":"","url":"https://api.github.com/users/cmb69","html_url":"https://github.com/cmb69","followers_url":"https://api.github.com/users/cmb69/followers","following_url":"https://api.github.com/users/cmb69/following{/other_user}","gists_url":"https://api.github.com/users/cmb69/gists{/gist_id}","starred_url":"https://api.github.com/users/cmb69/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cmb69/subscriptions","organizations_url":"https://api.github.com/users/cmb69/orgs","repos_url":"https://api.github.com/users/cmb69/repos","events_url":"https://api.github.com/users/cmb69/events{/privacy}","received_events_url":"https://api.github.com/users/cmb69/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/cmb69/advancedform_xh/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-05-27T00:51:12Z","updated_at":"2015-05-27T00:51:12Z","closed_at":null,"body":"Chrome shows them, Firefox not. That's caused by the title attribute being set for the image element, but not for the button element."}}