diff --git a/demo/test-cases.html b/demo/test-cases.html
index 1978e57..244e2a3 100644
--- a/demo/test-cases.html
+++ b/demo/test-cases.html
@@ -70,6 +70,11 @@
Operators
\`foo bar`
ı.^\^
x.^ \(n)
+ <<< [] >>>
+
+
+ \`lim sup`._(n -> oo)
+
sum_(n=0)^k a_n = a_0 + a_1 + cdots + a_k
@@ -407,6 +412,10 @@ Forced identifiers
it sf`AaBbCc`
tt`1234`
i rm i
+
+
+ obrace(a\`↑↑`b = ubrace(a^a^⋰^a)._(b "times")).^"" "up-arrow" notation ""
+
@@ -468,8 +477,15 @@ Accents
ddot x
tilde x
ddot i , bar i , hat j , ul j
- 3hat(xyz)
vec x = a hat i + b hat j + c hat k
+
+
+ 3oparen(a + bx)
+
+
+
+ oparen a+b uparen c+d oshell e+f ushell g+h obracket i+j ubracket k+l
+