[#6302] Avoid duplication the body text

Author: wouterj

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

@@ -0,0 +1,9 @@
+**type**: ``string``, ``boolean`` or ``null``
+
+This option determines if the choice values should be translated and in which
+translation domain.
+
+The values of the ``choice_translation_domain`` option can be ``true`` (reuse the current
+translation domain), ``false`` (disable translation), ``null`` (uses the parent translation
+domain or the default domain) or a string which represents the exact translation
+domain to use.

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

@@ -4,12 +4,4 @@ choice_translation_domain
 .. versionadded:: 2.7
     The ``choice_translation_domain`` option was introduced in Symfony 2.7.
 
-**type**: ``string``, ``boolean`` or ``null``
-
-This option determines if the choice values should be translated and in which
-translation domain.
-
-The values of the ``choice_translation_domain`` option can be ``true`` (reuse the current
-translation domain), ``false`` (disable translation), ``null`` (uses the parent translation
-domain or the default domain) or a string which represents the exact translation
-domain to use.
+.. include:: /reference/forms/types/options/_choice_translation_domain_body.rst.inc

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

@@ -4,12 +4,4 @@ choice_translation_domain
 .. versionadded:: 2.8
     The ``choice_translation_domain`` option was introduced in Symfony 2.8.
 
-**type**: ``string``, ``boolean`` or ``null``
-
-This option determines if the choice values should be translated and in which
-translation domain.
-
-The values of the ``choice_translation_domain`` option can be ``true`` (reuse the current
-translation domain), ``false`` (disable translation), ``null`` (uses the parent translation
-domain or the default domain) or a string which represents the exact translation
-domain to use.
+.. include:: /reference/forms/types/options/_choice_translation_domain_body.rst.inc