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-rw-r--r--src/lib/repr/default.ml2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/repr/default.ml b/src/lib/repr/default.ml
index 4110679..2688411 100644
--- a/src/lib/repr/default.ml
+++ b/src/lib/repr/default.ml
@@ -44,6 +44,8 @@ and z = "z"
and m = "m"
and n = "n"
+and gn = "N"
+
and l = "L"
and r = "R"