add empty_data option where required option is used
improve explanation of code block for bundle removal and fix typo
add missing code-block directive
add note when forbidding access to anonymous users on custom authentication provider
answer some questions and clarify the best chapter imo from the symfony documentation
address comments from @WouterJ
add max_length to form field type
fix typo in previous commit
fix typo in previous commit
fix last typo on max length option
Fix issue #3442

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets | #3442
[#3407] Adding a missing section via tip from @WouterJ
minor #3422 [Cookbook][Custom Authentication Provider] add a note of warning for when forbidding anonymous users (cordoval)

This PR was merged into the 2.3 branch.

Discussion
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[Cookbook][Custom Authentication Provider] add a note of warning for when forbidding anonymous users

| Q             | A                   |
| ---           | ---                 |
| Doc fix?      | yes                 |
| New docs?     | no                  |
| Applies to    | 2.3+                |
| Fixed tickets | #3212               |
| License       | CC-ASA 3.0 Unported |

 Sent using [Gush](https://github.com/cordoval/gush)

Commits
-------

244d756 add note when forbidding access to anonymous users on custom authentication provider
bug #3423 [Session Configuration] add clarifying notes on session save handler proxies (cordoval)

This PR was merged into the 2.3 branch.

Discussion
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[Session Configuration] add clarifying notes on session save handler proxies

| Q             | A                   |
| ---           | ---                 |
| Doc fix?      | yes                 |
| New docs?     | no                  |
| Applies to    | 2.3+                |
| Fixed tickets | #2889               |
| License       | CC-ASA 3.0 Unported |

 Sent using [Gush](https://github.com/cordoval/gush)

Commits
-------

771b862 address comments from @WouterJ
2888d00 answer some questions and clarify the best chapter imo from the symfony documentation
bug #3432 [Reference][Form Types] Add "max_length" option in form type (nykopol)

This PR was merged into the 2.3 branch.

Discussion
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[Reference][Form Types] Add "max_length" option in form type

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | yes
| Applies to    | 2.3+
| Fixed tickets | #3410 (task Form -> max_length)

Commits
-------

b53a227 fix last typo on max length option
d6800d3 fix typo in previous commit
391fe30 fix typo in previous commit
2156545 add max_length to form field type
bug #3414 add missing code-block directive (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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add missing code-block directive

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
-------

9b1aab8 add missing code-block directive
the data_class option was not introduced in 2.4
bug #3415 [#3334] the data_class option was not introduced in 2.4 (xabbuh)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #3415).

Discussion
----------

[#3334] the data_class option was not introduced in 2.4

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
-------

c96e6eb [#3334] the data_class option was not introduced in 2.4
minor #3416 add empty_data option where required option is used (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

add empty_data option where required option is used

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
-------

d9c6a85 add empty_data option where required option is used
Removed code references to Symfony Standard Distribution