Bug#885414: base-files: lack of quoting in shell variable expansions in /etc/profile

[Richard Lewis]

> >    '^[a-zA-Z0-9_][a-zA-Z0-9._-]*\.sh$'
>
> Hi. I confirm that this is appropriate for what we distribute:

What about local scripts added by users (which this change might
prevent loading): perhaps a NEWS.Debian entry would suffice?