Descriptive Problem Summary:
After changing the default value for "Link highlight" in the appearance tab, pressing the "Use default" checkbox button does nothing at all.

Numbered Steps to Reproduce Problem:
1. Change the default value for Link highlight of a grid control
2. Try to press the "Use default" checkbox button.

Expected Results:
The "Use default" checkbox will be checked.

Actual Results:
The "Use default" checkbox button does nothing at all.

Does the problem occur:
Every time? Or how often? Every time
In other games? Unsure
In other user accounts? Yes
On other computers? Yes

When does the problem NOT occur?
The problem always occurs.

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.)
Untested

Workarounds:
Don't change the default values