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-rw-r--r--src/interp/i-coerfn.boot2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/interp/i-coerfn.boot b/src/interp/i-coerfn.boot
index 93a7afd1..b2d46aee 100644
--- a/src/interp/i-coerfn.boot
+++ b/src/interp/i-coerfn.boot
@@ -1284,7 +1284,7 @@ Sm2PolyType(u,source is [sm,n,S], target is [pol,vl,T]) ==
-- first want to check case S is Polynomial
S is ['Polynomial,S'] =>
-- check to see if variable occurs in any of the terms
- if atom vl
+ if vl isnt [.,:.]
then vl' := [vl]
else vl' := vl
novars := true