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-rw-r--r--021arithmetic.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/021arithmetic.cc b/021arithmetic.cc
index 01202f33..0701e82a 100644
--- a/021arithmetic.cc
+++ b/021arithmetic.cc
@@ -7,6 +7,7 @@ Recipe_ordinal["add"] = ADD;
 :(before "End Primitive Recipe Implementations")
 case ADD: {
   double result = 0;
+//?   if (!tb_is_active()) cerr << ingredients.at(1).at(0) << '\n'; //? 1
   for (long long int i = 0; i < SIZE(ingredients); ++i) {
     assert(scalar(ingredients.at(i)));
     result += ingredients.at(i).at(0);