Description:

KaTeX parser tries kicks in when adding pre-formatetd/code snippets

Server Setup Information:

• Server version: 0.65.1 (commit 8349c36)
• Operating System: Ubuntu 16.04 server
• Deployment Method(snap/docker/tar/etc): snap
• Number of Running Instances: 1
• DB Replicaset Oplog: ?
• Node Version: 8.11.2
• mongoDB Version: (snap)

Steps to Reproduce:

Write a message with the following contents:

    ```
    .+\[201\].+
    ```

or

    `.+\[201\].+`

Expected behavior:

Display the literal text I put in the code block, KaTeX should not activate inside the code block

Actual behavior:

KaTeX parses the item inside the \[ \] section

Relevant logs:

n/a