···<date: 2012-10-01, Monday>···<from: Andre Caldas>···

> I am trying to redefine the ’open_read_file’ callback.

Hi André,

direct callback access is disabled. There are usually some layers
of abstraction on top of them, different ones for different
callbacks. Mapping them all is a huge effort, so best refer to
the source.

In your case the function resolvers.openers.helpers.textopener()
takes the place of the open_read_file callback. It can be found
in data-tex.lua.

Regards
Philipp

> 
> I am getting this error:
> callback ’open_read_file’ is frozen
> 
> Why is it "frozen"? Can I "unfreeze it"?
> 
> 
> André Caldas.
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If your question is of interest to others as well, please add an entry to the 
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archive  : http://foundry.supelec.fr/projects/contextrev/
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