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minor #4253 Adder and remover sidenote (kshishkin)

This PR was merged into the 2.3 branch.

Discussion
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Adder and remover sidenote

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets | none

There are cases when you only want either adder or remover, important to know both of them need to be found if any is to work.

Commits
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59b932d Merging emphasized notes
bdd8325 Adder and remover sidenote
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weaverryan committed Nov 20, 2014
2 parents ad14e78 + 59b932d commit 2139754cbb0c7ef871daae30a7eff4205dc83794
Showing with 3 additions and 3 deletions.
  1. +3 −3 cookbook/form/form_collections.rst
@@ -463,9 +463,9 @@ we talk about next!).
.. caution::
If no ``addTag`` **and** ``removeTag`` method is found, the form will
still use ``setTag`` even if ``by_reference`` is ``false``. You'll learn
more about the ``removeTag`` method later in this article.
You have to create **both** ``addTag`` and ``removeTag`` methods,
otherwise the form will still use ``setTag`` even if ``by_reference`` is ``false``.
You'll learn more about the ``removeTag`` method later in this article.
.. sidebar:: Doctrine: Cascading Relations and saving the "Inverse" side

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