Provides the following splices:
<a-async href="some/url" data-loading-div="#some-div">
where data-loading-div is optional, it causes the specified div to have it's contents replaced with <div class=loading/> when the link is clicked.
Note that the following two are not interchangeable, and cannot replace one another.
<div-async name="some-unique-identifier"> <div-async-append name="some-unique-identifier">
a link that loads it's results asynchronously and replaces parts of the page based on the contents. A normal anchor tag in all ways.
a form that submits asynchronously and replaces parts of the page with the results. A normal form tag otherwise.
a div that can be replaced or replace content on the page. It takes a name attribute that is it's unique identifier. When sending back content to replace, any div-asyncs present will replace existing div-asyncs on the page (identified by the name attribute)
a special div-async that instead of replacing the corresponding one on the page, it appends it's contents inside the existing div-async-append. Note: div-async's and div-async-appends are not interchangeable. This is so that it is easy to see what is going to happen from looking at the templates. If you need this sort of behavior, wrap you div-async-append inside a div-async.
this tag allows you to cause a client-side redirect. This is necessary because if you do a regular redirect, it will be followed by the browser and the result (the new page) will be handed back as if it were the page fragment response. It takes a url attribute that specifies where to redirect to.