On Tue, 22 Mar 2005, Laurence Finston wrote:

> @=%type <pointer_value> path_primary@>@/

> [...] in the rule
> `path_primary: SUBPATH numeric_list OF path_primary',
> `$4' can only be a `Path*', cast to `void*'.

This isn't true.  The semantic value of a symbol of type
`pointer_value' can be 0, which I've found to be very useful.

Laurence



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