WDYT?
[jgart@gac gn-kanban]$ ./gnbug Backtrace: In ice-9/boot-9.scm: 1752:10 6 (with-exception-handler _ _ #:unwind? _ # _) In unknown file: 5 (apply-smob/0 #<thunk 7f2c6b7ed0c0>) In ice-9/boot-9.scm: 724:2 4 (call-with-prompt _ _ #<procedure default-prompt-handle…>) In ice-9/eval.scm: 619:8 3 (_ #(#(#<directory (guile-user) 7f2c6b7f3c80>))) In ice-9/boot-9.scm: 2835:4 2 (save-module-excursion _) 4380:12 1 (_) In /home/jgart/gn-kanban/gnbug: 177:2 0 (main . _) /home/jgart/gn-kanban/gnbug:177:2: In procedure main: Throw to key `match-error' with args `("match" "no matching pattern" ("./gnbug"))'.
This is now implemented.