Step to reproduce :
- Go to Content > Forms
- Add a new Form
- Add a Select from List field
- Add an option using the character "<" (example: <test)
- Enable Allow Multiple Selection
- Publish Form or Save Form
Expected result :
The form is saved and we can still edit it
Actual result :
It's now impossible to see or modify the forms.
Also tested on:
7.2x @b100cf18f59f7b3d091440da978a1788368361d7: Same issue
Master @3bf5f6076a3091938104fe8f1f8d723b7f8563af: fixed