[texhax] Obsolete \centerline command used in amsbook class (Uwe L?ck)

[Martin Schröder]

2012/9/24 Pierre MacKay <pierre.mackay at comcast.net>:
> Michael is making a very significant point here. and if the Latex3 branch
> were actually to redefine or disable such primitives I suspect that Don
> Knuth's particular interest in archival stability might end up disappearing
> too.

I suggest you study l3names.dtx - it would do exactly that when run in
format generating mode.

Best
   Martin