intuitively, I think "submit-on-change" is invoked when  some value is changed.
In the "double box" case, that means an item is transfered between left and right column
but in fact, in double-box,
It is invoked every time you single click one item in the right column, and every time there is an error:
 
 java.lang.IllegalArgumentException: Invalid submit id (no such widget): multivaluefieldname.unselected
 
because the woody-advanced-field-styling simply add the "unselected" to the widget name, and clearly it is not defined.
 
I tried to delect the <xsl:apply-templates select="." mode="styling"/> for the left column of double-box, or add an "onchange" attribute for the right colomn in woody-advanced-field-styling, but it doesn't work.
 
Would anybody give me some idea how to fix this?
 
Many thanks!
 

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