Does the order matter for a rel="alternate" tag

[shop.nordstrom]

Hi!

We just launched our new mobile site and I am trying to get the rel="alternate" tags put on the desktop site. The specs had the tags formatted like this:

They ended up like this:

My developer is telling me the order does not matter. Can anyone confirm? Does the order matter?

Thank You!

[Linda-Vassily]

The order of attributes does not matter. [Don't you trust your developer? ]

[Bryan_Loconto]

I agree, the order is a non issue here! My standard MO is to immediately argue and disagree with developers but this time... your guy is right. ; )