fix definition for Markdown

2 files changed, 11 insertions, 2 deletions

diff --git a/def.peg b/def.peg
index 681201a..10ba1a5 100644
--- a/def.peg
+++ b/def.peg
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: GPL-3+
 
 # Document
-Markdown       <- MetaBlock* Block*
+Markdown       <- ('---' NEWLINE MetaBlock* '---' NEWLINE)? Block*
 
 # Block elements
 Block          <- Header
diff --git a/def_Markdown.py b/def_Markdown.py
index 23739b6..782e3c5 100755
--- a/def_Markdown.py
+++ b/def_Markdown.py
@@ -8,7 +8,16 @@ from railroad import *
 
 Diagram(
 	Choice(0,
-		OneOrMore(NonTerminal("MetaBlock")),
+		Sequence(
+			"---",
+			NonTerminal("NEWLINE"),
+			Choice(0,
+				OneOrMore(NonTerminal("MetaBlock")),
+				Skip()
+			),
+			"---",
+			NonTerminal("NEWLINE"),
+		),
 		Skip()
 	),
 	Choice(0,