Formatting: Don't remove unresolved options from the map passed to the function

Author: stasm

spec/formatting.md

@@ -217,8 +217,8 @@ the following steps are taken:
      bind the _identifier_ of the _option_ to the resolved value in the mapping.
    - Otherwise, bind the _identifier_ of the _option_ to an unresolved value in the mapping.
      (Note that an Unresolved Variable error will have been emitted.)
-4. Remove from the resolved mapping of _options_ any binding for which the value is an unresolved value.
-5. Call the function implementation with the following arguments:
+
+4. Call the function implementation with the following arguments:
 
    - The current _locale_.
    - The resolved mapping of _options_.