fix skill tree for real, hopefully

RalfJung · RalfJung · commit 0d168d005e05 · 2020-08-10T21:05:53.000+02:00
diff --git a/src/skill_tree.md b/src/skill_tree.md
@@ -188,6 +188,7 @@ items = []
 name = "const-blocks"
 label = "const blocks"
 href = "https://github.com/rust-lang/rfcs/pull/2920"
+items = []
 
 [[group]]
 label = "panic! with formatting"
