awl.com/ web site, which says: "You may use this code for any purpose, as long as you leave the copyright notice and book citation attached." I have done so.
@author Brian W. Kernighan and Rob Pike (C++ original)
@author Ian F. Darwin (translation into Java and removal of I/O)
@author Ben Ballard (rewrote advQuoted to handle '""' and forreadability)
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