+(defvar wisi-parse-max-parallel-current (cons 0 0)
+ "Cons (count . point); Maximum number of parallel parsers used in most recent parse,
+point at which that max was spawned.")
+
+(defvar wisi-debug 0
+ "wisi debug mode:
+0 : normal - ignore parse errors, for indenting new code
+1 : report parse errors (for running tests)
+2 : show parse states, position point at parse errors, debug-on-error works in parser
+3 : also show top 10 items of parser stack.")