documenting changes to the front-end interface (was: Remove make_function_rtl)

[Jeffrey A Law]

  In message <Pine.LNX.4.30.0101111226570.29414-100000@kern.srcf.societies.cam.
ac.uk>you write:
  > On Thu, 11 Jan 2001, Fergus Henderson wrote:
  > 
  > > So, what's the policy?  Should changes that affect language
  > > front-ends be documented in gcc/LANGUAGES, or not?
  > 
  > In principle, the whole front end interface should be documented.  OK to
  > commit the following patch to projects/index.html?
Yes, this is fine.  Please check it in if you haven't done so already.

jeff