Check this SO answer.
Some links in brackets () are not highlighted as hyperlinks. However when you edit post, in preview, all links looks correct.
It seems that brackets around hyperlinks prevent treating http link as proper hyperlink.
Check this SO answer.
Some links in brackets () are not highlighted as hyperlinks. However when you edit post, in preview, all links looks correct.
It seems that brackets around hyperlinks prevent treating http link as proper hyperlink.
You can only post more than two hyperlinks if you have more than 10 reputation points. Probably the user posted his answer when he didn't yet have 10 rep points. I think that when he would edit his answer now, all hyperlinks are highlighted.
More info about this privilege: https://stackoverflow.com/help/privileges/new-user