export(as.stepfun, ecdf, is.stepfun, knots, plot.ecdf,
       plot.stepfun, stepfun, summary.stepfun)
## the examples call plot.* summary.stepfun directly ...

S3method(as.stepfun, default)
S3method(as.stepfun, isoreg)
S3method(knots, stepfun)
S3method(lines, stepfun)
S3method(plot, ecdf)
S3method(plot, stepfun)
S3method(print, ecdf)
S3method(print, stepfun)
S3method(summary, ecdf)
S3method(summary, stepfun)