I've finished fixing the issues with parameters; all public parameters are now called param:foo and each corresponds to the appropriate *foo*.
Most of these parameters are write-only from the user side, so I've bound the *foo* variables to #!default and changed the code to pay attention only when they are modified. The remaining ones are trickier; e.g. *default-pathname-defaults* which is documented to be bound to a suitable pathname. These I handled on a case-by-case basis. The end result is that most old programs that use fluid-let should continue to work. You might have noticed that I completely flushed the "fluid" objects, using parameters instead. Parameters are now standardized, not just in SRFI but also in R7RS, so it seemed like the right thing to do. I also expanded the ways that parameters can be built, giving additional control over getting and setting them; in some cases this allows the parameter to be used without a wrapper procedure. Note that I haven't yet updated the documentation to reflect these changes. I'll get around to that soon. Please let me know if I broke anything.
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