[rb-general] rb-prefix-map spec: don't be as democratic to consumers

[Daniel Shahaf]

Daniel Shahaf wrote on Sun, Mar 12, 2017 at 15:04:09 +0000:
> I'm also not talking about causing different implementations of
> a language to produce binary-equal source code.

Incidentally, Knuth's TeX and METAFONT specifications include regression
tests for third-party implementations, which work more or less this way:

    https://www.ctan.org/texarchive/obsolete/graphics/metapost/base/source/texk/web2c/triptrap

(see the README)

CHeers,

Daniel