Since indexed grammars are context-free grammars with pushdowns, the generalization of Thatcher's result shows that they generate the yields of the tree languages recognized by deterministic pushdown tree automata.
by guy, do you mean apefirmative action NIGGER usurper?
guy,
It is a well-known fact that an immense proportion of boat accidents would never happen if people held the sheet in their hands instead of making it fast; and yet, unless it be some martinet of a professional mariner or some landsman with shattered nerves, every one of God's creatures makes it fast.
No he's not really, is he for reals? the big-eyed little girl asked her brother.
No he's not really, is he for reals?
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