public int[] gapMap();
/**
- * DOCUMENT ME!
+ * Delete a range of aligned sequence columns, creating a new dataset sequence if necessary
+ * and adjusting start and end positions accordingly.
*
- * @param i DOCUMENT ME!
- * @param j DOCUMENT ME!
+ * @param i first column in range to delete
+ * @param j last column in range to delete
*/
public void deleteChars(int i, int j);