Use <<foo>>{1,2} instead of <<foo>> <<foo>>?

Author: litherum

css-fonts-4/Overview.bs

@@ -2244,21 +2244,21 @@ Font property descriptors: the 'font-style!!descriptor', 'font-weight!!descripto
 
 	<pre class='descdef'>
 	Name: font-style
-	Value: auto | normal | italic | oblique [ <<angle>> | <<angle>> <<angle>> ]?
+	Value: auto | normal | italic | oblique [ <<angle>> | <<angle>>{1,2} ]?
 	For: @font-face
 	Initial: auto
 	</pre>
 
 	<pre class='descdef'>
 	Name: font-weight
-	Value: auto | <<font-weight-absolute>> <<font-weight-absolute>>?
+	Value: auto | <<font-weight-absolute>>{1,2}
 	For: @font-face
 	Initial: auto
 	</pre>
 
 	<pre class='descdef'>
 	Name: font-stretch
-	Value: auto | <<'font-stretch'>> <<'font-stretch'>>?
+	Value: auto | <<'font-stretch'>>{1,2}
 	For: @font-face
 	Initial: auto
 	</pre>

css-fonts-5/Overview.bs

@@ -119,7 +119,7 @@ Issue(5892):
 
 <pre class='descdef'>
     Name: font-size
-    Value: auto | <<number>> <<number>>?
+    Value: auto | <<number>>{1,2}
     Initial: normal
     For: @font-face
     </pre>