Are there any characters that should not be used when entering text during the e-filing sequence?

Including special characters in docket text may result in CM/ECF not allowing for future documents to link to this particular filing. When attempting to link to this filing, users may instead simply see a blank page. To avoid this, the following special characters should not be used in docket text: ` ~ ! @ # $ % ^ & * ( ) _ = + [ ] { } \ | : ' " < >