40 columns                              |
>>> inline after "var"
var /* int */ x;
<<<
var /* int */ x;
>>> trailing line comment
var x; // x
<<<
var x; // x
>>> multiple variable declaration list
var x /* X */, y;
<<<
var x /* X */, y;
>>> continue with line comment
while (true) {
  continue // comment
  ;
}
<<<
while (true) {
  continue // comment
      ;
}
>>> continue with wrapped block comment
while (true) {
  continue /* a long comment that does not wrap */;
}
<<<
while (true) {
  continue /* a long comment that does not wrap */;
}
>>> do with line comment
do // comment
{;} while (true);
<<<
do // comment
    {
  ;
} while (true);
>>> always place newline after multi-line block comment
/*
*/ var i = value;
<<<
/*
*/
var i = value;
>>> remove blank line before beginning of block
while (true) {


  // comment
}
<<<
while (true) {
  // comment
}