The weight of the column. As with MUI's group
class, columns are layouted with a minimum
size, a maximum size and weight. A column with
a weight of 200 would gain twice the space than
a column with a weight of 100.
Defaults to 100.
Starting with MUI Royale 1.1 this attribute has an applicability
of ISG. In MUI Royale 1.0 the applicability of this attribute was