From 5d16af6b134477d0e9b281cd1e9d962dc52b5088 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sat, 29 Nov 2014 12:56:13 -0800
Subject: Check for `[` character in `link_label`.

Closes #226.
---
 src/inlines.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/inlines.c b/src/inlines.c
index e08b757..2d26e81 100644
--- a/src/inlines.c
+++ b/src/inlines.c
@@ -617,9 +617,15 @@ static int link_label(subject* subj, chunk *raw_label)
 {
 	int startpos = subj->pos;
 	int length = 0;
-
-	advance(subj);  // advance past [
 	unsigned char c;
+
+	// advance past [
+	if (peek_char(subj) == '[') {
+		advance(subj);
+	} else {
+		return 0;
+	}
+
 	while ((c = peek_char(subj)) && c != '[' && c != ']') {
 		if (c == '\\') {
 			advance(subj);
-- 
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