Normal Reproducible sample:
<zk> <button label="Show Messagebox"> <attribute name="onClick"><![CDATA[ Messagebox.show("Do you really want to delete the object(s)", "Confirmation", Messagebox.OK + Messagebox.CANCEL, null); ]]></attribute> </button> </zk>
Reproduce steps:
1. Change browser language to Japanese.
2. Click the button, the cancel button label is wrapped to two lines in Firefox and IE.
