Changes by: Jason J. Hickey (jyh at cs.caltech.edu)
Date: 2008-04-22 10:03:36 -0700 (Tue, 22 Apr 2008)
Revision: 12864
Log message:

      Changed the coding of c-escaped so that quotes becomes ASCII escapes.
     This is so the escaped string is also valid when it is single-quoted
     in SQL.