IDK it's a glitch or not. But you need to add a reaction to get the proper honor.

You're actually failing test [>*] with your code.

You have a bug in the section of your code where you handle the command '[' and ']'.

Hint: What type does tapeList in your code hold?

Would you mind posting your full solution here (and mark it as spoiler)?

The code snippet you provided does not handle nested brackets properly. For example, in the program shown below, it will match the following opening and closing brackets together which is incorrect:

[*>[>*>]>]
^      ^
   ^   ^