msubsup-issue.md

@@ -54,7 +54,7 @@ naturally ruins the msubsup element. Here's the semantically enriched MathML:
 ```html
 <math>
   <msubsup>
-    <mi>∑</mi>
+    <mo>∑</mo>
     <mi>b</mi>
     <mi>c</mi>
   </msubsup>
@@ -80,7 +80,7 @@ Semantically enriched MathML:
 ```html
 <math>
   <msubsup semantic-type="limboth" semantic-role="sum" semantic-id="3" semantic-children="0,1,2">
-    <mi semantic-type="largeop" semantic-role="sum" semantic-id="0" semantic-parent="3">∑</mi>
+    <mo semantic-type="largeop" semantic-role="sum" semantic-id="0" semantic-parent="3">∑</mo>
     <mi semantic-type="identifier" semantic-role="latinletter" semantic-id="1" semantic-parent="3">b</mi>
     <mi semantic-type="identifier" semantic-role="latinletter" semantic-id="2" semantic-parent="3">c</mi>
   </msubsup>