Change By: Sascha Szott (17/Jun/14 5:00 PM)
Description: Recently, I've setup a non-empty description on the Jenkins main page (context path {{/}}). 

A click on the "edit description" button shows the previously entered description as expected. But with enabled auto-refresh mode the previously entered text is not shown (the preview textarea is empty).

To reproduce the faulty behavior:

* setup a non-empty description on the Jenkins main page (it does not matter if it contains HTML markup or not)
* disable auto-refresh: {{/jenkins/?auto_refresh=false}}
* click on "edit description" button: description should be properly displayed (/)
* enable auto-refresh: {{/jenkins/?auto_refresh=true}}
* click the "edit description" button again: empty description is shown (!) 

Some analysis showed that the endpoint {{/jenkins/descriptionForm}} (to get the current description) is triggered only if auto-refresh is disabled. The HTTP POST on {{/jenkins/descriptionForm}} is issued in {{replaceDescription()}} in {{hudson-behavior.js}}. The
 functipn  function  {{ replaceDescriptor replaceDescription }} is triggered by a click event on the "edit description" button:

{code}
<a _onclick_="return replaceDescription();" id="description-link" href="">{code}

If auto-refresh is enabled, the onclick event binder on the is missing:
{code}
<a id="description-link" href="">{code}
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