Background: Women's campaigners celebrate court win - but what will it change?published at 12:15 British Summer Time 24 April
Philip Sim
BBC Scotland political correspondent

Women's campaigners open a bottle of champagne outside the Supreme Court
The UK Supreme Court unanimously and unambiguously backed the argument that the definition of a woman in the Equality Act should be based on biological sex.
Reading out the ruling, Lord Hodge cautioned that it should not be taken as a triumph for one group in society over another.
But there were scenes of jubilation for women's campaigners outside the Supreme Court.
Tearful hugs were exchanged and a bottle of champagne was cracked open.
The fact someone had thought to bring one along underlines that it was potentially on the cards, but For Women Scotland (FWS) still seemed shocked by the scale of their victory.
The Scottish government's arguments - that sex can be changed via the gender recognition process, and that someone with a gender recognition certificate should have the protections of that sex - were dismissed.