Legislative privilege versus free speech: What was the Supreme Court reference about?

Court clarified that all substantial questions of law regarding the precedence between parliamentary privileges and free speech are kept open for determination in appropriate future proceedingsThe story so far: The Supreme Court has disposed of a long-pending reference concerning the scope of legislative privileges and their interplay with free speech arising out of a 2003 Tamil Nadu Assembly resolution to arrest editors of The Hindu for an editorial criticising then Chief Minister Jayalalithaa.