[plt-scheme] linear update procedures in v4

[Henk Boom]

2009/1/12 praimon <praimon at gmail.com>:
> srfi 1 allows, but doesn't require, its linear update procedures to be
> destructive. So I was wondering, if I use append! in a version 4 #lang scheme
> module, is it 'silently' calling the non-destructive append instead?

More info here. (Archives are useful!)

http://list.cs.brown.edu/pipermail/plt-scheme/2008-December/029331.html

    Henk