1 files changed, 6 insertions, 0 deletions
diff --git a/eqn.7 b/eqn.7
index 9e558d6d..083f2b64 100644
--- a/eqn.7
+++ b/eqn.7
@@ -67,9 +67,15 @@ box     : text
         | DEFINE text text
         | SET text text
         | UNDEF text
+        | box pos box
         | box mark
         | font box
 text    : TEXT
+pos     : OVER
+        | SUP
+        | SUB
+        | TO
+        | FROM
 mark	: DOT
         | DOTDOT
         | HAT