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Therefore, Richard and I thought that it might be better > to continue to accept the old syntax alongside the new syntax in the GNU > tools, as a GNU extension to the official assembler spec, without the > deprecation message. Sorry to raise this after so long, and after you'd > already done the work. Isn't it the case already that the old syntax will continue to be accepted, by there being new insn entries added without removing the original ones? IOW is it perhaps that you're asking for the old syntax to remain accepted _silently_ (and don't claim this behavior will be removed)? If so, I'd like to suggest to perhaps allow for diagnostics, but require a command line option to turn them on. Jan