fixing multiline argumentdef issues

Author: hoch

index.bs

@@ -4263,18 +4263,8 @@ Methods</h4>
             the original timeline would have had at time \(t_c\).
         </div>
 
-        A {{RangeError}} is only thrown for negative cancelTime values for
-        cancelAndHoldAtTime and cancelScheduledValues.
-
         <pre class=argumentdef for="AudioParam/cancelAndHoldAtTime()">
-            cancelTime: The time after which any previously scheduled parameter 
-            changes will be cancelled. It is a time in the same time coordinate
-            system as the {{AudioContext}}'s {{BaseAudioContext/currentTime}} 
-            attribute.  <span class="synchronous">A {{RangeError}} exception 
-            MUST be thrown if <code>cancelTime</code> is negative. 
-            If {{AudioParam/cancelAndHoldAtTime()/cancelTime}} is less than 
-            {{BaseAudioContext/currentTime}}, it is clamped to 
-            {{BaseAudioContext/currentTime}}.
+            cancelTime: The time after which any previously scheduled parameter changes will be cancelled. It is a time in the same time coordinate system as the {{AudioContext}}'s {{BaseAudioContext/currentTime}} attribute.  <span class="synchronous">A {{RangeError}} exception MUST be thrown if <code>cancelTime</code> is negative. If {{AudioParam/cancelAndHoldAtTime()/cancelTime}} is less than {{BaseAudioContext/currentTime}}, it is clamped to {{BaseAudioContext/currentTime}}.
         </pre>
 
         <div>
@@ -4301,13 +4291,7 @@ Methods</h4>
         removed from the timeline.
 
         <pre class=argumentdef for="AudioParam/cancelScheduledValues()">
-            cancelTime: The time after which any previously scheduled parameter 
-            changes will be cancelled. It is a time in the same time coordinate 
-            system as the {{AudioContext}}'s {{BaseAudioContext/currentTime}} 
-            attribute.  <span class="synchronous">A {{RangeError}} exception 
-            MUST be thrown if <code>cancelTime</code> is negative.</span> If 
-            <code>cancelTime</code> is less than {{BaseAudioContext/currentTime}}, 
-            it is clamped to {{BaseAudioContext/currentTime}}.
+            cancelTime: The time after which any previously scheduled parameter changes will be cancelled. It is a time in the same time coordinate system as the {{AudioContext}}'s {{BaseAudioContext/currentTime}} attribute.  <span class="synchronous">A {{RangeError}} exception MUST be thrown if <code>cancelTime</code> is negative.</span> If <code>cancelTime</code> is less than {{BaseAudioContext/currentTime}}, it is clamped to {{BaseAudioContext/currentTime}}.
         </pre>
 
         <div>