ExtJS表格单元格如何自动换行?

请问ExtJS表格单元格如何自动换行?

见
[url]http://extjs.com/learn/Ext_FAQ_Grid#How_to_wrap_contents_within_a_cell_of_a_fixed_width_grid_column.3F[/url]

.x-grid3-cell-inner, .x-grid3-hd-inner { white-space:normal !important; }