Werner Almesberger ee3a3e6162 cameo: array steps can now be specifed as item size plus border ...

- lang.y (align, bbox): moved bounding box calculation to separate
  function (for sharing)
- lang.y: array sizes can specified as the size of the respective
  dimension of the bounding box plus a border
- README: documented use of border size with "array"

2011-01-05 22:34:39 -03:00

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