Allow multiple name pairs in export renaming
|Reported by:||cowan||Owned by:||alexshinn|
|Component:||WG1 - Core||Keywords:|
Currently, to export my:foo and my:bar as foo and bar, one must write (export (rename my:foo foo) (rename my:bar bar)). This proposal allows (export (rename (my:foo foo) (my:bar bar))). This is incompatible with R6RS, but compatible with the rename sub-form of import.