On Wed, Jan 11, 2012 at 4:18 PM, Steffen Wolfrum <context@st.estfiles.de>wrote:

>
> hmm ... this line "\def\nobreakspace{" is part of my environment file for
> more than 7 years now!
> (can't remember if it was necessary back then ...  ;o)
>
> Steffen
>

I have a
\def\nobreakspace            {\penalty\plustenthousand\kern\interwordspace}
into  spac-gen.mkii (nov  5  2009 ...)
(and
\def~{\normalpenalty\!!tenthousand\ }
so your redefining is not a problem)

-- 
luigi