Brian,

On 10.01.2008, at 10:01, Jochen Küpper wrote:

> Therefore, someone needs to create a patch for calc-units- 
> update.el, i.e., as the following:


here is a patch to upgrade some (very few!) constants to CODATA 2006.
Hopefully this can also serve someone else as a guide to update more  
values in GSL.

Greetings,
Jochen
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