Help ! I'm attempting to use the pretty-printer `Format' to display a
C program, that is, some text with growing and decreasing tabulations.
  I look for a function to increase tabulation and another one to
decrease tabulation. It don't understand how the parameter `d' of
"open_box d" works ?
  Please, some-one could help me ?

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CASSE Hugues             |Heureux qui,comme Ulysse,a fait un beau voyage
IRIT, 1R1, p14	         |Ou comme celui-la qui conquit la Toison,
                         |Et puis est retourne plein d'usage et raison,
PHONE: (+33)5-61-556-611 |Vivre entre ses parents le reste de son age !
       (poste 73-20)     |                        Les Regrets, Du Bellay
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mailto:casse@irit.fr                    http://www.irit.fr/~Hugues.Casse