Code comments do not paste on Apple Developer Forums

Commented code doesn't paste correctly into the Apple Developer Forums – it requires copy/paste multiple times to fix the formatting with comments.

// This is comment

/* c = square root(a^2 + b^2)
   Calculate the distance betwen two points
@return linear distance between two CGPoints
*/
func distanceBetweenPoints(a: CGPoint, b: CGPoint) -> CGFloat {
    return sqrt((b.x - a.x)*(b.x - a.x) + (b.y - a.y)*(b.y - a.y))
}

Buggy code paste

1. The second / of the // comment block is removed (along with the rest of the comment)
2. With a block comment the * is removed from the / start of the block comment.

/
/ c = square root(a^2 + b^2)
Calculate the distance betwen two points
@return linear distance between two CGPoints
*/
func distanceBetweenPoints(a: CGPoint, b: CGPoint) -> CGFloat {
    return sqrt((b.x - a.x)*(b.x - a.x) + (b.y - a.y)*(b.y - a.y))
}