+// priorities are all messy and dont get serialized
+// 1. Error messages
+// 2. Java MetaGrammar (proof of concept)
+// 3. Ivan's MetaGrammar
+// 4. Documentation format
+// - TIB
+
+// TODO: better API for interfacing with Java
+// TODO: error messages
+// TODO: integrate with TIB
+
+// Element
+// Walk
+// ParseTable / GSS
+// MetaGrammar (necessary/relevant?)
+// Tree<String> (cleanup?)
+// Union.SubUnion
+// Repeat
+
+// FEATURE: serialization of ParseTable's, generation of Java code
+// FEATURE: infer reject elements for literals
+// FEATURE: prefer whitespace higher up
+// FEATURE: full conjunctive and boolean grammars
+// FEATURE: "ambiguity modulo dropped fragments"? can this be checked for statically? eliminated statically?
+// - drop stuff during the parsing process (drop nodes)
+
+// LATER: Element<A> -- parameterize over the input token type? Makes a huge mess...
+// LATER: Go back to where Sequence is not an Element?
+// - The original motivation for making Sequence "first class" was the fact that
+// in order to do associativity right you need to have per-Sequence follow sets
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Immediately