Descriptive Problem Summary:
When on-size is used on a window element with a call to ".winset" that modifies the same window element, errors are shown in the console that .winset is an undefined verb.

Expected Results:
".winset" should always work?

Actual Results:
It seems to fail in some cases.

Does the problem occur:
Every time? Or how often?
Every time.

When does the problem NOT occur?
The problem does not occur if you call a verb on the server that then calls winset().

Workarounds:
Use a server-side implementation of .winset.