Re: SES local variables to define printers

[Davis Herring]

> - is that possible to check that a function do no border effect, like a
>   SES printer function should do --- well, I presume, at least for
>   buffer locally defined function --- anyway I would create some
>   defcustom to deactivate that security check.

See `unsafep' (and the warning about display properties).

> - is that possible to check that when a function is executing, that
>   takes a reasonable time, and if not to interact with the use and ask
>   whether he/she would like to double that time

There is `with-timeout', but it's not much better than just letting the
user use C-g.

Davis

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