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-rw-r--r--ccwl/ccwl.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/ccwl/ccwl.scm b/ccwl/ccwl.scm
index 174b040..00d503f 100644
--- a/ccwl/ccwl.scm
+++ b/ccwl/ccwl.scm
@@ -476,10 +476,10 @@ represented by <step> objects."
(formatted-message "Undefined ccwl command ~a"
(syntax->datum #'function)))))
;; Test for missing required parameters.
- ;; TODO: Filter out optional parameters.
(match (lset-difference
eq?
(filter-map (lambda (input)
+ ;; Leave out inputs that have default values.
(and (unspecified-default? (input-default input))
(input-id input)))
(function-inputs function-object))