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-rw-r--r--src/interp/pf2atree.boot2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/interp/pf2atree.boot b/src/interp/pf2atree.boot
index fddbaf39..42453835 100644
--- a/src/interp/pf2atree.boot
+++ b/src/interp/pf2atree.boot
@@ -525,7 +525,7 @@ pfCollect2Atree pf ==
-- patternVarsOf1(expr, varList) ==
-- null expr => varList
-- atom expr =>
--- null symbol? expr => varList
+-- not symbol? expr => varList
-- SymMemQ(expr, varList) => varList
-- [expr, :varList]
-- expr is [op, :argl] =>