Patty Chang least visible she has ever been in her own work” in her 2005 exhibition "Shangri-La" based on a fictional location in the 1933 novel Lost Horizon by James Hilton. Her recent work, especially "Invocation for The Wandering Lake" (2015–16), draws connections between landscape and the body. Patty Chang Patty Chang (born February 3,1972 in San Leandro, CA) is an American performance artist and film director living and working in Los Angeles, CA. Chang was originally trained as a painter and received her Bachelor of Arts at the University of California, San Diego. It wasn't until she moved to New York
S-expression be formatted as pretty printed S-expressions using the function PPRINT (note: with two Ps, short for "pretty"-print). Lisp programs are valid s-expressions, but not all s-expressions are valid Lisp programs. codice_21 is a valid s-expression, but not a valid Lisp program, since Lisp uses prefix notation and a floating point number (here 1.0) is not valid as an operation (the first element of the expression). An S-expression preceded by a single quotation mark, as in codice_22, is syntactic sugar for a quoted S-expression, in this case codice_23. S-Expressions are often compared to XML, a key difference being that S-Expressions are