documentation is incomplete the variable form._token is missing

[arcanisgk]

documentation is incomplete the variable form._token is missing: https://symfony.com/doc/current/form/form_customization.html#form-variables-reference

external resource: https://stackoverflow.com/a/23455805/17161735

[wouterj]

Thank you @arcanisgk!

I've updated your PR, as _token is not a variable but a field (that is added automatically). But I think it's a good idea to mention this in the form customization article.

[arcanisgk]

oh thank you, idea is that is need to be in the documentation...