Descriptive Problem Summary:
When you click on Build -> Package -> world source files it only packs the DME nothing else is included into the zip.

Numbered Steps to Reproduce Problem:
click on Build -> Package -> world source files

Expected Results:
It to insert all the included coding and icons into the zip.

Actual Results:

It doesn't.

Does the problem occur:
Every time? Or how often? Every time.
In other games? Yes.
In other user accounts? Yes.
On other computers? Can't test.

When does the problem NOT occur?
Always occured.
Did the problem NOT occur in any earlier versions? If so, what was the last version that worked? (Visit http://www.byond.com/download/build to download old versions for testing.)

It appears it does work on Version 499.1204

Workarounds:

Manually zip the source.