[r6rs-discuss] [Formal] Version reference syntax is overly complex.

[Jed Davis]

On Fri, Jun 22, 2007 at 02:09:47PM -0700, Thomas Lord wrote:
> The discussion assumes that every execution environment will have
> some arbitrary set of libraries installed.   Some of these will, per
> the proposals, have the same name but different version numbers.
> Programs will refer to libraries by giving a name and (in the general
> case) a union of ranges of version numbers.    When run, the libraries
> selected will be the highest numbered within those ranges.
>
> So, install some new libraries in your environment and, voila,
> the meaning of your programs change.

Is that not the very purpose of a library system?  It's only a problem
if that change is for the worse; thus, this seems more a problem of
human nature than anything R6 could hope to vanquish.

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