class Byebug::LocalInterface

def print(*args)

will give an error saying it is looking for more arguments.
say a source-code line with "puts" or "print" in it, this print routine
print has format specifier, which could happen if you are trying to show
argments rather than %. Otherwise it seems that if the string you want to
Callers of this routine should make sure to use comma to separate format 
def print(*args)
  STDOUT.printf(*args)
end