Added selection and popup for <pre> tags within wikitext. Also fixed more bugs found in the HTML paragraph parser (mostly self-closing tags e.g. <hr />).
.panel_wrapper div.current {
height: 290px;
}
#id, #style, #title, #dir, #hreflang, #lang, #classlist, #tabindex, #accesskey {
width: 200px;
}
#events_panel input {
width: 200px;
}