How do you write a link containing a closing bracket in markdown syntax?
You can try to escape the character:
[Syntax](http://en.wikipedia.org/wiki/Syntax_\(programming_languages\))
You can also encode the characters
[Syntax](http://en.wikipedia.org/wiki/Syntax_%28programming_languages%29)
Sometimes you need to encode ) with %29.
[Syntax](http://en.wikipedia.org/wiki/Syntax_(programming_languages%29)
E.g.: This was the only method I could find to get a correct Markdown preview in the Atom Editor.