Apex 4.0 comments section not just for comments anymore?

Had a developer find a new 'feature' in Apex4 yesterday. Is this a bug? or is something else amiss?
Here are his comments:
Apex Developers,
I found a really weird problem and wanted to share it with you. First, some background. At the bottom of nearly every page, as you edit a region for instance, there is a place for comments.
I have always used this as a temporary place-holder for changes as I edit. For example, today I was editing a region that is a simple SQL Report with a query. I wanted to make significant changes to the query so I copied and pasted my query from the Source box into the Comments box at the bottom of the page. My assumption has always been that the Comments box was for comments...not actual code or anything that displays on-screen. That may be partially true but it does affect the way your pages run!!
I changed the query and it worked fine. OK. So far so good. However, when I went to change one of my columns to use an existing LOV it died with a "no data found" error. I chased my tail for a while and finally ended up creating a new region with identical SQL. That new one worked while the original one continued to fail with identical code. I compared the regions and the only diff was the comments. On a lark I deleted the comments out of there and the damned thing worked!!!!!!! Arrrrrrggggghhhhh!!!!!

Hi,
I think the "no-data-found" error behavior was not related to the value in the comment, instead I think you have hit bug# 9879227 on our known issues list at http://www.oracle.com/technology/products/database/application_express/html/4.0_known_issues.html
The "Apply Changes" actually fixed your tabular form/report meta data problem after you removed the comment. I'm pretty sure if you add the comment back into your region the error will not occur anymore.
Regards
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX 4.0 Plug-Ins: http://apex.oracle.com/plugins

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