Re: desupporting X10 and old X11 releases (was: Re: isearch multiple buffers)

[Richard Stallman]

      > There are still conditionals for X11R3 (testing HAVE_X11R4).  That
      > must be long obsolete.  We can delete them if that would save us any
      > trouble.

    It will allow us to get rid of some code in xterm.[ch] and xfns.c, so
    it seems worth doing.

    How about X11R4, is that still worth supporting? 

I don't think so.  But let's ask about that along with the other
questions.