The Sudanese government passed a bill that appears to reserve the right to allow the south to proclaim its own independence.
Here's the key quote:
Meanwhile, the parliament endorsed in its evening session the referendum draft law of south Sudan for the year 2009 in the general feature stage.
Parliament speaker affirmed the importance of the said law indicating that the application not an easy thing calling for enlightening the southerners with regard to the said law.
Ghazi Salahuddin affirmed that the secession will have its impacts on the region saying that we are looking for the unity of all Africa and not the unity of Sudan only.
He said that the said the referendum is a national affair affirming that there are procedures required for secession indicating that it should be recognized by the mother state with accordance to the international law.
Other recent articles in the media.
From World Net Daily
From All Africa
Analysis: Sudan - Preventing Implosion
Sudan is sliding towards violent breakup. The main mechanisms to end conflicts between the central government and the peripheries – the Comprehensive Peace Agreement (CPA), the Darfur Peace Agreement and the East Sudan Peace Agreement – all suffer from lack of implementation, largely due to the intransigence of the National Congress Party (NCP)....http://www.crisisgroup.org/home/index.cfm?id=6438&l=1
The Government of South Sudan now has their own website.