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Re: $<out of range>
From: |
Akim Demaille |
Subject: |
Re: $<out of range> |
Date: |
25 Apr 2002 22:36:02 +0200 |
User-agent: |
Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp) |
Paul> No, it's allowed. POSIX says of `$number':
Paul> If number refers to an element past the current point in the
Paul> rule, or beyond the bottom of the stack, the result is
Paul> undefined.
Paul> Here the "current point in the rule" is 3, so $3 is allowed.
Are you sure the current point is not 2? I fail to see any technical
soundness in the consequences of the interpretation of `current point'
you propose.
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cp/parse.y:2120: invalid value: $3, Akim Demaille, 2002/04/29