Semantic-Embedding-Examples.md

 Some simple examples of embedded semantic tree. Note that for readability the attributes of the MathML elements have been abbreviated. Usually they have a 'semantic-' prefix.
 
+```html
+<mi semantic-type="identifier" semantic-role="latinletter" semantic-id="1" semantic-parent="3">b</mi>
+```
+
+is shortened to 
+
+```html
+<mi type="identifier" role="latinletter" id="1" parent="3">b</mi>
+```
 
 ## Single Operation
 
@@ -282,4 +291,4 @@ Semantically enriched MathML:
       <mi type="identifier" role="latinletter" id="9" parent="14">f</mi>
     </mrow>
   </mrow>
-</math>
+</math>
\ No newline at end of file