Bill Page <bill.p...@newsynthesis.org> writes:

| Ralf,
| 
| To appreciate just how much effort Gaby has put into improving the
| readability of Boot code in OpenAxiom it is very instructive to look
| at JoinInner in both FriCAS and OpenAxiom. Just attempting to decode
| how FriCAS actually ends up producing the output you show nearly
| boggles my mind. But in OpenAxiom this same code is written as:
| 
|     PrinAncb := categoryPrincipals CatEval(bname,$e)
| 
| If FriCAS does not soon adopt a similar approach I cannot imagine a good 
future.
| 
| But of course advocating is one thing, finding time, energy and help
| to do it is another.

I can't agree more with the last sentence :-)

Regarding the debate of f(a.x) vs. f(a).x vs. (f(a)).x, I changed
OpenAxiom's Boot parser long ago to parser f(a).x the way the Spad parser
(and the interpreter) does, e.g. take the `x'-part of the result of
applying `f' to `a'.  It was a difference that does not need to be there;
it confused occasionally, and it did not bring much.

I take it from conversations with original AXIOM designers and
implementors that Boot was really intended to be a form of AXIOM script
(except the handling of '$').

-- Gaby

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