feat(lexer): enforce delimiter requirements

1 files changed, 2 insertions, 2 deletions

diff --git a/grammar.ebnf b/grammar.ebnf
index d443a9d..2acd7b0 100644
--- a/grammar.ebnf
+++ b/grammar.ebnf
@@ -5,7 +5,7 @@ weak-delimiter = "\n";
 strong-delimiter = "\n\n", { "\n" };
 
 (* blocks *)
-block = title | paragraph | quote | callout | code-block | math-block | image | footnotes;
+block = title | paragraph | quote | callout | code-block | math-block | image | footnotes | tag;
 title = ? #{1,6} ?, " ", content;
 paragraph = content, { weak-delimiter, content };
 quote = ">", content, { weak-delimiter, ">", content }, [ paragraph ];
@@ -16,6 +16,7 @@ image = "![", [ content ], "](", content, ")", { weak-delimiter, content };
 list-unordored = "- ", paragraph, { weak-delimiter, "- ", paragraph };
 list-ordored = ". ", paragraph, { weak-delimiter, ". ", paragraph };
 footnotes = "<", content, ":", paragraph, { weak-delimiter, "<", content, ":", paragraph };
+tag = "#", content;
 
 (* content of a block *)
 content = ? [^\n]+ ? | bold | italic | code-inline | math-inline | link | ref;
@@ -25,4 +26,3 @@ code-inline = "`", content, "`";
 math-inline = "$", content, "$";
 link = "[", [ content ], "](", content, ")";
 ref = "<", content, ">";
-tag = "#", ? [^\n ]+ ?;