Collection actions (add, move, delete) should work on primitives with array values too

[DmitrySharabin]

Since we can get collections based on lists, it would be nice if we could perform custom actions on lists as well.

E.g., we could have the code like this:

<meta property="foo" content="[list('foo', 'baz')]">
<p mv-multiple mv-value="foo"></p>

<button mv-action="add('bar', foo)">Add bar</button>
<button mv-action="delete(foo where 'bar')">Delete bar</button>
<button mv-action="move(foo where 'baz', 0)">Make baz first</button>

What do you think?

[LeaVerou]

Oh yes, absolutely. I'd go as far as to say that it's a bug that this doesn't work today!