In chapter 6, Dealing with Function Stacks, there is a discussion of local and global variables, static block structure, the dynamic nature of local variables, and recursion. Reeursion is nicely exemplified in section 6.4, where dyadic is emulated by a user defined function called COMP. However, section 6.5, Static and dynamic structure, is a bit of a muddle. A n i n t r o d u c t i o n to A P L by S. P o m m l e r L.J. Dickey The book A n i n t r o d u c t i o n to A P L by S. Pommier and translated by Bronwen A. Rees, is published by Cambridge University Press, as number 17 in their series "Cambridge Computer Science Texts". The name "S.Pommier" is the collective name for the team Jean-Jacques Girardot, Serge Guiboud-Ribaud, Bertrand Jullien, Francois Mireaux, Michel Nakache, all of the Ecole Nationale Superieure des Mines. The collective name seems to be a bilingual pun: pommier, the apple tree, APL ~ree? The book was first published in French under the title I n t r o d u c t i o n ~
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