From 1622f8f31262f18a4a3d99a6f5d30e900b224cec Mon Sep 17 00:00:00 2001
From: Nat Welch <nat@natwelch.com>
Date: Thu, 26 Nov 2015 22:11:25 +0000
Subject: [PATCH] Apply @miekg's patch

From https://github.com/miekg/mmark/commit/99ce7134f6bf7b5b919d18ce5cc5099339b27e10.patch
---
 inline.go      | 20 +++++++++++++++++---
 inline_test.go | 14 ++++++++++++++
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/inline.go b/inline.go
index a28bb66..0e41a3c 100644
--- a/inline.go
+++ b/inline.go
@@ -260,7 +260,7 @@ func link(p *parser, out *bytes.Buffer, data []byte, offset int) int {
 		}
 	}
 
-	if i >= len(data) {
+	if i >= len(data) || brace > 0 {
 		return 0
 	}
 
@@ -285,14 +285,28 @@ func link(p *parser, out *bytes.Buffer, data []byte, offset int) int {
 
 		linkB := i
 
-		// look for link end: ' " )
+		// look for link end: ' " ), check for new openning
+		// braces and take this into account, this may lead
+		// for overshooting and probably will require some
+		// finetuning.
 	findlinkend:
 		for i < len(data) {
 			switch {
 			case data[i] == '\\':
 				i += 2
 
-			case data[i] == ')' || data[i] == '\'' || data[i] == '"':
+			case data[i] == '(':
+				brace++
+				i++
+
+			case data[i] == ')':
+				if brace <= 0 {
+					break findlinkend
+				}
+				brace--
+				i++
+
+			case data[i] == '\'' || data[i] == '"':
 				break findlinkend
 
 			default:
diff --git a/inline_test.go b/inline_test.go
index d793e01..6227914 100644
--- a/inline_test.go
+++ b/inline_test.go
@@ -541,6 +541,20 @@ func TestInlineLink(t *testing.T) {
 
 		"[link](<../>)\n",
 		"<p><a href=\"../\">link</a></p>\n",
+
+		// Issue 116 in blackfriday
+		"![](http://www.broadgate.co.uk/Content/Upload/DetailImages/Cyclus700(1).jpg)",
+		"<p><img src=\"http://www.broadgate.co.uk/Content/Upload/DetailImages/Cyclus700(1).jpg\" alt=\"\" />\n</p>\n",
+
+		// no closing ), autolinking detects the url next
+		"[disambiguation](http://en.wikipedia.org/wiki/Disambiguation_(disambiguation) is the",
+		"<p>[disambiguation](<a href=\"http://en.wikipedia.org/wiki/Disambiguation_(disambiguation\">http://en.wikipedia.org/wiki/Disambiguation_(disambiguation</a>) is the</p>\n",
+
+		"[disambiguation](http://en.wikipedia.org/wiki/Disambiguation_(disambiguation)) is the",
+		"<p><a href=\"http://en.wikipedia.org/wiki/Disambiguation_(disambiguation)\">disambiguation</a> is the</p>\n",
+
+		"[disambiguation](http://en.wikipedia.org/wiki/Disambiguation_(disambiguation))",
+		"<p><a href=\"http://en.wikipedia.org/wiki/Disambiguation_(disambiguation)\">disambiguation</a></p>\n",
 	}
 	doLinkTestsInline(t, tests)