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It was thus said that the Great Dirk Laurie once stated:
> Am I describing your module, or close?
> 1. It provides interactive debugging.

  Further clarification needed.

> 2. It takes max 5 minutes of studying the README to get up to speed.

  Erm ... 

> 3. You run your Lua code with `lua -l mydebug` or the like.


> 4. At some point in the program where you need debugging, you put
>     mydebug().


> 5. That routine calls a REPL which can list, inspect and change
> variables visible at that point of the program and return.

  Yes to everything bug change variables.

> Example:
> !> x?
> upvalue, table 0x34bc80, has __index chain (3 levels)
> !> x.a?
> in __index(1), number, -nan
> !> x.a = 0
> !> exit
> This is not a sneaky advertisement for a module I already almost have.
> I wish to know what is on the shelf already.

  Does it need to be published?

  -spc (Screen shot attached)

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