Duterte's camp falsely stated during the campaign that the Singapore Govt endorsed his candidature which the Singaporean ambassador corrected. No country as a matter of protocol will make those comments about candidates.
while it's widely reported that duterte falsely claimed that sg's pm endorsed him and the false claim was corrected by sg (this is not insider news, it has been out for a while) the latter claim that "no country as a matter of protocol will make those comments about candidates" is incorrect. all you need to do is stop being lazy and do a quick search online. the leader of the world's 2nd superpower endorsed a candidate of the world's top superpower over 4 months ago.
https://www.buzzfeed.com/maxseddon/...-for-president?utm_term=.sv7pkjNrJ#.rpNvALJQY
Vladimir Putin gave a qualified endorsement of Donald Trump’s candidacy for the Republican presidential nomination on Thursday, saying he hoped Trump’s election could improve Moscow’s relations with the United States.
“He’s a really brilliant and talented person, without any doubt. It’s not our job to judge his qualities, that’s a job for American voters, but he’s the absolute leader in the presidential race,” Putin said after his annual press conference in Moscow, according to the Interfax news wire.
“He says he wants to move on to a new, more substantial relationship, a deeper relationship with Russia; how can we not welcome that? Of course we welcome that,” Putin added.