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-rw-r--r--core/node_fns.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/node_fns.mk b/core/node_fns.mk
index 38ecea7..40abff7 100644
--- a/core/node_fns.mk
+++ b/core/node_fns.mk
@@ -98,7 +98,7 @@ empty :=
space := $(empty) $(empty)
define uniq-word
$(strip \
- $(if $(filter $(2),$(1)), \
+ $(if $(filter-out 0 1,$(words $(filter $(2),$(1)))), \
$(eval h := |||$(subst $(space),|||,$(strip $(1)))|||) \
$(eval h := $(subst |||$(strip $(2))|||,|||$(space)|||,$(h))) \
$(eval h := $(word 1,$(h)) $(2) $(wordlist 2,9999,$(h))) \