Creating nested safe interpreters and load Tk into it

Hi,

I would like to create nested safe interpreters, each having Tk loaded.

Creating one such interpreter works fine:

package require Tk
::safe::interpCreate level1
::safe::loadTk level1

But extending it by creating a slave interpreter:

package require Tk
::safe::interpCreate level1
::safe::loadTk level1

interp eval level1 {
::safe::interpCreate level2
::safe::loadTk level2
}

fails with the message: "not allowed to invoke subcommand isdirectory
of file"
I tried different approaches, without luck.

Any glues?

Thanks in advance,
Merijn

.

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