intent to remove: -ifoutput

[Philippe De Muyter]

> Does anyone use the undocumented -ifoutput feature of the

I won't say it is undocumented : it appears in the `--help' output of cccp

> preprocessor?  Would anyone object if it went away?
> 
I used it several years ago to diagnose a problem with macros and includes,
to answer the question : Why is the macro XXX not defined here ?
While it was not perfect at that, it really helped.

Philippe

> zw
>