[sqlite] Supported unary operators

[Jens Axel Søgaard]

The listed supported unary operators listed at

     <http://www.sqlite.org/lang_expr.html>

are

     -    +    !    ~

However, in the test suite

<http://www.sqlite.org/cvstrac/fileview?f=sqlite/test/expr.test&v=1.50>

it seems that "not" is also supported:

   test_expr expr-1.36 {i1=1, i2=0} {not i1} {0}
   test_expr expr-1.37 {i1=1, i2=0} {not i2} {1}

Is "not" missing from the list?

-- Jens Axel Søgaard