fig update

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figs/simple-parse-tree.graffle

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 	<array/>
 	<key>ModificationDate</key>
-	<string>2022-06-23 20:10:46 +0000</string>
+	<string>2022-06-24 15:15:00 +0000</string>
 	<key>Modifier</key>
 	<string>Jeremy Siek</string>
 	<key>NotesVisible</key>