View source for Views render menu example.pl

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'''views_render_menu_example.pl''' provides an alternative render function for browse view menu pages, which can be specified in the browse view specification's <code>render_menu</code> attribute.  '''<code>$c->{render_view_menu_3col_boxes}</code>''' displays listing in three columns rather than using the full-width of the page.  However, this may be better achieved using the browse view's <code>new_column_at</code> attribute and this function would be broadly equivalent to setting this to <code>[0,0]</code>.