private String getCommentPreview(CommentFieldLocation loc) {
		String[] comment = loc.getComment();
		int row = loc.getRow();
		if (row >= 0 && row < comment.length) {
			return comment[row];
		}
		return "";
	}
Get the preview as HTML for the code unit at or containing the address associated with this cell's row.

@return the preview string.
Ghidra/Features/Base/src/main/java/ghidra/util/table/PreviewTableCellData.java