> My suggestions are that all implementation materials be under the srfi
> directory, that way the top directory is less cluttered, and my MANIFEST
> file at that level can capture them all.  Each implementation or tool
> should then be under its own subdirectory, like "chibi-scheme" for mine.

Arthur should chime in as the SRFI editor and suggest a standardized
layout for SRFI repos :) As it stands, the improvised layouts make them
hard to navigate unless one is already familiar with a particular repo.