Gustavo Petro has pledged to support LGBTQ, intersex rights
Activists have sought Article 365 repeal for more than two decades
Draft document specifically includes LGBTQ rights
Demonstration in Chilean capital drew more than 100,000 people
First round of Brazilian presidential election to take place Oct. 2
LGBTQ and intersex activists welcomed Gustavo Petro's election
Attempts to 'heal homosexuality' remain legally protected
Presidential election to take place in October
Gaspar DomÃnguez is vice president of Constitutional Convention
Emilia Schneider was student protest leader before election