Bug in ice-9/boot-9.scm:save-stack ?
I notice that save-stack references tk-stack-mark which does not
appear to exist or to be the obvious transposition of any existing
symbol name.
My uninformed intuition is that tk-stack-mark is brought in by some
optional package not shipped by default with Guile (perhaps guile-tk?).
I never cause this bug, but I do check my Scheme system with a semi-
static analysis that complains about tk-stack-mark being undefined and
I would prefer not to special-case a rule for save-stack. Perhaps all
interests could be served by:
...
((tk-stack)
(apply make-stack #t save-stack (if (defined? 'tk-stack-mark) tk-
stack-mark (stack-id #t)) #t 0 narrowing)
...
or by some cond-expand foo or by outright banishment of this case?
Thanks,
Dan
