[erlang-patches] [otp] Merge branch 'bjorn/kernel/undefined-function-handler/OTP-10617' (209a479)

Håkan Mattsson <>
Wed Jan 23 12:47:31 CET 2013

On Wed, Jan 23, 2013 at 11:27 AM, Ulf Wiger <> wrote:

> The argument that "you'd better know what you're doing" is
> a weak one, since there are plenty of areas where this applies.
> Off the top of my head, I'd say this is sage advice for anyone
> trying their hand at NIFs, Core Erlang, hand-written BEAM ASM
> code, patching mnesia internals, etc. Yet all these things are
> allowed.

Depends on what you mean with "allowed". With open source code
you are "allowed" to do a lot. This does not necessarily mean that
it is a good idea to do it. Patching the internals of any application
is normally regarded as a bad practice. It should only be done as
a last resort. Do it only if the maintainer rejects your code change.


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