[Pyrex] Source nit

[Edward K. Ream]

The Node class has a method called generate_code, referred to nowhere in the
source except in a comment.

Shouldn't this method be called generate_execution_code and the comment
changed accordingly?

Edward
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Edward K. Ream   email:  edreamleo at charter.net
Leo: Literate Editor with Outlines
Leo: http://webpages.charter.net/edreamleo/front.html
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