new \context definition loses old context definitions

[Graham Percival]

Is this a bug, or an undocumented "feature"?

Lily 2.4.2, OSX.  I have a global.ly, which contains
\layout{
  \context { \Staff
    \override TimeSignature #'style = #'numbered
    }
}

In my actual piece, I use
\include "../global.ly"
\layout{
  \context{
        \RemoveEmptyStaffContext
}}

(which presumably calls a \Staff context)
The piece loses the 4/4 time signature.


So when you write
\layout{ \context \Foo }}
LilyPond takes the default values for the Foo context, rather than
the current values.  If this is deliberate, I'll document it.  But if 
it's
not hugely difficult to fix, I would call this a bug.  :)


Not tested on 2.5.6, since we're still trying to build it.  We're 
getting
closer, though!  :)

Cheers,
- Graham