Item 7: §19.4.4 "interface method" should include property

Change "An interface method declaration that has a block body or expression body as a *method\_body*" to "An interface property or interface property accessor declaration that has a block body or expression body"

Author: BillWagner

standard/interfaces.md

@@ -440,7 +440,7 @@ Interface properties are declared using *property_declaration*s ([§15.7.1](clas
   > *Note*: As an interface cannot contain instance fields, an interface property cannot be an instance auto-property, as that would require the declaration of implicit hidden instance fields. *end note*
 
 - The type of an interface property shall be output-safe if there is a get accessor, and shall be input-safe if there is a set accessor.
-- An interface method declaration that has a block body or expression body as a *method_body* is `virtual`; the `virtual` modifier is not required, but is allowed.
+- An interface property or interface property accessor declaration that has a block body or expression body is `virtual`; the `virtual` modifier is not required, but is allowed.
 - An instance *property_declaration* that has no implementation is `abstract`; the `abstract` modifier is not required, but is allowed. It is *never* considered to be an automatically implemented property ([§15.7.4](classes.md#1574-automatically-implemented-properties)).
 
 ### 19.4.5 Interface events