The Sexual Orientation Working Group — consisting of Amnesty International, Centre for Justice, Rainbow Alliance, Two Words and a Comma, and the Vision Ministry — are calling on supporters to gather at the House of Assembly on Friday for a picnic lunch.Government has announced that it will be tabling a range of amendments to the Human Rights Act — including the sexual orientation discrimination prohibition — when Parliament reopens tomorrow.Supporters are being asked to wear purple, the colour adopted for the International Day Against Homophobia, and gather at Parliament from 12.15pm onwards to celebrate the International Day against Homophobia which is on Saturday.The Human Rights Act amendments will not be debated tomorrow, only tabled in the House of Assembly. The actual date of the debate has not yet been determined — bills must wait at least two weeks after being tabled before they can be debated.The campaigners are asking supporters to ensure they are in the public gallery of the House of Assembly when the bill does come up for debate.