minor #3630 Minor tweaks to form action/method (weaverryan)

This PR was merged into the 2.3 branch.

Discussion
----------

Minor tweaks to form action/method

This adds a little bit more to #3436.

The toughest part is the wording around explaining the PATCH behavior - suggestions warmly welcomed :).

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no
| Applies to    | 2.3+
| Fixed tickets | none

Thanks!

Commits
-------

34f5b0c Some slight reordering of the form options - and also tweaking language around PATCH behavior

reference/forms/types/form.rst

@@ -9,14 +9,18 @@ See :class:`Symfony\\Component\\Form\\Extension\\Core\\Type\\FormType`.
 The ``form`` type predefines a couple of options that are then available
 on all fields.
 
-.. include:: /reference/forms/types/options/compound.rst.inc
-
 .. include:: /reference/forms/types/options/data.rst.inc
 
 .. include:: /reference/forms/types/options/data_class.rst.inc
 
+.. include:: /reference/forms/types/options/action.rst.inc
+
+.. include:: /reference/forms/types/options/method.rst.inc
+
 .. include:: /reference/forms/types/options/empty_data.rst.inc
 
+.. include:: /reference/forms/types/options/compound.rst.inc
+
 .. _reference-form-option-required:
 
 .. include:: /reference/forms/types/options/required.rst.inc
@@ -68,7 +72,3 @@ on all fields.
 .. _reference-form-option-pattern:
 
 .. include:: /reference/forms/types/options/pattern.rst.inc
-
-.. include:: /reference/forms/types/options/action.rst.inc
-
-.. include:: /reference/forms/types/options/method.rst.inc

reference/forms/types/options/action.rst.inc

@@ -6,7 +6,7 @@ action
 
 **type**: ``string`` **default**: empty string
 
-This option specifies where to send the form's data on submission (usually an
+This option specifies where to send the form's data on submission (usually a
 URI). Its value is rendered as the ``action`` attribute of the ``form``
 element. An empty value is considered a same-document reference, i.e. the form
 will be submitted to the same URI that rendered the form.

reference/forms/types/options/method.rst.inc

@@ -26,6 +26,8 @@ used to decide whether to process the form submission in the
 
 .. note:
 
-    Only the PATCH method allows submitting partial data without that missing
-    fields are set to ``null`` in the underlying data (preserving default
-    values, if any).
+    The PATCH method allows submitting partial data. In other words, if the
+    submitted form data is missing certain fields, those will be ignored
+    and the default values (if any) will be used. With all other HTTP methods,
+    if the submitted form data is missing some fields, those fields are set
+    to ``null``.