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-rw-r--r--etc/isar/XSymbolTests.thy1
1 files changed, 1 insertions, 0 deletions
diff --git a/etc/isar/XSymbolTests.thy b/etc/isar/XSymbolTests.thy
index 3b5ccf00..ebafcf8b 100644
--- a/etc/isar/XSymbolTests.thy
+++ b/etc/isar/XSymbolTests.thy
@@ -17,6 +17,7 @@ consts silly:: "'a => 'a => 'a" ("_\<^sup>_" [1000,1000] 1000)
consts k:: 'a
term "a\<^sup>b" (* b should be a blue variable *)
+term "\<forall> x. a\<^sup>x" (* x should be a green bound variable *)
term "a\<^sup>k" (* k should be a black constant *)