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Roberto Ierusalimschy wrote:
> > Not many, I guess (maybe more due to \*).  But I would even suggest
> > to backport the proposed error to 5.1.5 so that, if you try to run
> > a programm that uses one of the new escape sequences (and nothing
> > else from 5.2 - IMHO not too far-fetched) with 5.1 you get an immediate
> > error.
> 
> That could break programs without the user even needing to change
> versions...

... and, as David's post shows, would report actual bugs.

ET