`fill-find-break-point-function'. (fill-find-break-point-function-table): New variable. (fill-find-break-point): Lookup fill-find-break-point-function-table.
`fill-find-break-point-function'. (fill-find-break-point-function-table): New variable. (fill-find-break-point): Lookup fill-find-break-point-function-table.