Christmas Bird Count history report system

Produces a table-cell element with the content in a child block element. See Section 13.11.13, “FO_LABEL_CELL_ATTRS”.

# - - -   L a b e l C e l l . f o

    def fo(self, s, **kw):
        '''Render self as XSL-FO.
        '''
        #-- 1
        # [ s  +:=  an open table-cell element styled with
        #           FO_LABEL_CELL_ATTRS and kw
        #   cell  :=  that element ]
        cell = s.start('table-cell', FO_LABEL_CELL_ATTRS, kw)

        #-- 2
        # [ s  +:=  a block element displaying self.label, centered ]
        s.leaf('block', FO_ALIGN_LEFT, self.label)

        #-- 3
        cell.end()