Ulrich Clarification for variable_names/1 in read_term/3.
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@ -5041,6 +5041,7 @@ Unify @var{Names} with a list of the form @var{Name=Var}, where
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@var{Name} is the name of a non-anonymous singleton variable in the
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original term, and @code{Var} is the variable's representation in
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YAP.
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The variables occur in left-to-right traversal order.
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@item syntax_errors(+@var{Val})
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@findex syntax_errors/1 (read_term/2 option)
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@ -5052,10 +5053,12 @@ for detailed information.
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Unify @var{Names} with a list of the form @var{Name=Var}, where @var{Name} is
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the name of a non-anonymous variable in the original term, and @var{Var}
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is the variable's representation in YAP.
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The variables occur in left-to-right traversal order.
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@item variables(-@var{Names})
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@findex variables/1 (read_term/2 option)
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Unify @var{Names} with a list of the variables in term @var{T}.
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The variables occur in left-to-right traversal order.
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@end table
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