Re: sit-for

[Richard Stallman]

    Since wait_read_process_output now has an end_time rather than a
    duration, it seems possible to make a check on reentry to
    wait_read_process_output whether an "outer" call has an end_time
    BEFORE the end_time of the current call ... and do something sensible,
    e.g.  modify the current end_time to the same as the outer end_time.

This seems like a good idea.