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tracing a method

Is it just me, or is the example on p. 362 of the latest manual STILL

? (trace ((:method expand-branch (twist-down t t)) :step t))
> Error: value (:METHOD EXPAND-BRANCH (TWIST-DOWN T T)) is not of the expected type (SATISFIES CCL::%TRACE-FUNCTION-SPEC-P).
> While executing: CCL::%TRACE
> Type Command-. to abort.
See the Restarts  menu item for further choices.
1 > 

What is the correct syntax to put a step-point on a method?
"TANSTAAFL" Rich lynch@ils.nwu.edu