Re: [Docutils-develop] Re: pdf writer

[<gr...@us...>]

On Wed, 29 May 2002, David Goodger wrote:

> Sorry I've taken so long to reply; been busy.
i am busy too, as you might have noticed by my sandbox.

> As I replied last time,
>
>     ``Node.walk`` & ``Node.walkabout`` call
>     ``NodeVisitor.unknown_visit`` & ``.unknown_departure`` when
>     unknown node types are encountered.
>
> You can implement the ``unknown_visit``/``unknown_departure`` methods
> of your ``NodeVisitor`` subclass to do whatever you like (such as call
> ``node.astext()``).  If you choose to do this, I'd recommend issuing a
> warning (a Python warning is OK, doesn't have to be a system_message)
> saying "an unknown node (name) has been encountered", otherwise it
> will be difficult to track down the remaining unimplemented node
> types.
>
> This is only an interim solution though.  It's OK during development,
> but the writer won't be complete until *all* node types are handled in
> some way.  At that point, the unknown_visit/unknown_departure methods
> should be removed, so that later bugs *will* be noticed.
>
A Python warning means what to you ?
And this is not an interim solution, as a user i want a document
output and this has to contain every text, so i would leave the
unknown_visit/departure in the writer. it does no harm if everything
is known, but it gives at least illformatted output if something
is unknown.

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