More work on grammar, starting parboiled implementation.

src/com/jdblabs/jlp/JLPPegParser.groovy

@@ -0,0 +1,19 @@
+package com.jdblabs.jlp
+
+@BuildParseTree
+public class JLPPegParser extends BaseParser<Object> {
+
+    Rule CodePage() {
+        return ZeroOrMore(FirstOf(
+            DocBlock(),
+            CodeBlock())) }
+
+    Rule DocBlock() {
+        return OneOrMore(FirstOf(
+            DirectiveBlock(),
+            MarkdownBlock())) }
+
+    Rule DirectiveBlock() {
+        return FirstOf(
+            Sequence("%% "
+}