[css-paint-api] Remove 'named arguments' from paint spec.

Author: bfgeek

css-paint-api/Overview.bs

@@ -154,10 +154,10 @@ called, the user agent <em>must</em> run the following steps:
     2. If the |name| exists as a key in the <a>paint name to paint image definition map</a>,
         <a>throw</a> a <a>NotSupportedError</a> and abort all these steps.
 
-    3. Let |inputProperties| be the result of <a>Get</a>(O=|paintCtor|, P="inputProperties").
+    3. Let |inputProperties| be the result of <a>Get</a>(|paintCtor|, "inputProperties").
 
-    4. If |inputProperties| is not undefined, and the result of <a>IsArray</a>(argument=
-        |inputProperties|) is false, <a>throw</a> a <a>TypeError</a> and abort all these steps.
+    4. If |inputProperties| is not undefined, and the result of <a>IsArray</a>(|inputProperties|) is
+        false, <a>throw</a> a <a>TypeError</a> and abort all these steps.
 
         If |inputProperties| is undefined, let |inputProperties| be a new empty array.
 
@@ -175,16 +175,16 @@ called, the user agent <em>must</em> run the following steps:
             can also contains currently invalid properties for the user agent. For example
             <code>margin-bikeshed-property</code>.
 
-    5. If the result of <a>IsConstructor</a>(argument=|paintCtor|) is false, <a>throw</a> a
-        <a>TypeError</a> and abort all these steps.
+    5. If the result of <a>IsConstructor</a>(|paintCtor|) is false, <a>throw</a> a <a>TypeError</a>
+        and abort all these steps.
 
-    6. Let |prototype| be the result of <a>Get</a>(O=|paintCtor|, P="prototype").
+    6. Let |prototype| be the result of <a>Get</a>(|paintCtor|, "prototype").
 
-    7. If the result of <a>Type</a>(argument=|prototype|) is not Object, <a>throw</a> a
-        <a>TypeError</a> and abort all these steps.
+    7. If the result of <a>Type</a>(|prototype|) is not Object, <a>throw</a> a <a>TypeError</a> and
+        abort all these steps.
 
-    8. If the result of <a>IsCallable</a>(argument=<a>Get</a>(O=|prototype|, P="paint")) is false,
-        <a>throw</a> a <a>TypeError</a> and abort all these steps.
+    8. If the result of <a>IsCallable</a>(<a>Get</a>(|prototype|, "paint")) is false, <a>throw</a> a
+        <a>TypeError</a> and abort all these steps.
 
     9. Let |definition| be a new <a>paint image definition</a> with:
 
@@ -397,8 +397,8 @@ following steps:
     10. Let |paintSize| be a new {{PaintSize}} initialized to the width and height defined by
         |concreteObjectSize|.
 
-    11. Perform <a>Invoke</a>(O=|paintInstance|, P="paint", Arguments=[|renderingContext|,
-        |paintSize|, |styleMap|).
+    11. Perform <a>Invoke</a>(|paintInstance|, "paint", [|renderingContext|, |paintSize|,
+        |styleMap|).
 
     12. The image output is to be produced from the |renderingContext| given to the method.