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- to foreach [:foreach.inputs] 2
- foreach1 bl :foreach.inputs last :foreach.inputs 1
- end
-
- to foreach1 :template.lists :foreach.template :template.number
- if emptyp first :template.lists [stop]
- apply :foreach.template firsts :template.lists
- foreach1 bfs :template.lists :foreach.template :template.number+1
- end
-
- bury [foreach foreach1]
-