- Id tag layout wrong.
 - "FOO =" -> "FOO=".
 - 4 space indention on continuation lines rather than a <tab>

Basic idea checked by:	bde

Currently it is unbuildable, but an info-aware developer should be able to get
this working w/o too much trouble.

are no complications involving .PATH or dependencies, so don't include
it here.

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.

(the old cc has been tagged with "gcc_2_6_3_final" so we have a reference
 point in case of unforseen disasters...)

This has the objc backend active, and I think I've managed to get the
f77 f2c support through in one piece, but I don't know fortran to test it.

A 'make world' change and libobjc commit will follow.

If you normally do 'make -DNOCLEAN world', do not do so this time, I know
it can fail with groff.

This version of gcc makes a **LOT** more warnings on our kernel.

-mprofiler-epilogue to support it and documented the option.

cc.1:
Listed all the machine-dependent options, even the temporary
debugging ones.

invoke.texi:
Fixed the sense of -mno-ieee-fp.
Sorted the machine-dependent options.

info files although texinfo supports @include.