diff --git a/basis/constructors/tags.txt b/basis/constructors/tags.txt
new file mode 100644
index 0000000000..f4274299b1
--- /dev/null
+++ b/basis/constructors/tags.txt
@@ -0,0 +1 @@
+extensions
diff --git a/extra/literals/tags.txt b/extra/literals/tags.txt
index 71c0ff7282..4f4a20b1cb 100644
--- a/extra/literals/tags.txt
+++ b/extra/literals/tags.txt
@@ -1 +1,2 @@
+extensions
 syntax