More parser work: fixed a few bugs with [[intlinks]] in headers, a bug that caused the paragraph parser to return an empty string, and added a warning/backup-and-restore for when a render stage returns an empty string.

/* CSS file for cell dialog in the table plugin */

.panel_wrapper div.current {
	height: 200px;
}

.advfield {
	width: 200px;
}

#action {
	margin-bottom: 3px;
}

#class {
	width: 150px;
}