From d8f44f1e4f0bd944ab43e6434a1579d670ed66cf Mon Sep 17 00:00:00 2001
From: Vicent Marti <tanoku@gmail.com>
Date: Thu, 4 Sep 2014 17:49:13 +0200
Subject: 433/8

---
 spec.txt        | 2 +-
 src/html/html.c | 6 ++++--
 src/inlines.c   | 3 +++
 src/print.c     | 5 ++++-
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/spec.txt b/spec.txt
index d7e70f5..cfda2a3 100644
--- a/spec.txt
+++ b/spec.txt
@@ -3946,7 +3946,7 @@ But this is a link:
 .
 <http://foo.bar.`baz>`
 .
-<p><a href="http://foo.bar.`baz">http://foo.bar.`baz</a>`</p>
+<p><a href="http://foo.bar.%60baz">http://foo.bar.`baz</a>`</p>
 .
 
 And this is an HTML tag:
diff --git a/src/html/html.c b/src/html/html.c
index 913a602..41b8fda 100644
--- a/src/html/html.c
+++ b/src/html/html.c
@@ -174,7 +174,8 @@ void inlines_to_html(gh_buf *html, inl* ils)
 
 			case INL_LINK:
 				gh_buf_puts(html, "<a href=\"");
-				escape_href(html, ils->content.linkable.url, -1);
+				if (ils->content.linkable.url)
+					escape_href(html, ils->content.linkable.url, -1);
 
 				if (ils->content.linkable.title) {
 					gh_buf_puts(html, "\" title=\"");
@@ -188,7 +189,8 @@ void inlines_to_html(gh_buf *html, inl* ils)
 
 			case INL_IMAGE:
 				gh_buf_puts(html, "<img src=\"");
-				escape_href(html, ils->content.linkable.url, -1);
+				if (ils->content.linkable.url)
+					escape_href(html, ils->content.linkable.url, -1);
 
 				inlines_to_html(&scrap, ils->content.inlines);
 				gh_buf_puts(html, "\" alt=\"");
diff --git a/src/inlines.c b/src/inlines.c
index 599be84..8e2e683 100644
--- a/src/inlines.c
+++ b/src/inlines.c
@@ -591,6 +591,9 @@ static unsigned char *clean_url(chunk *url, int is_email)
 
 	chunk_trim(url);
 
+	if (url->len == 0)
+		return NULL;
+
 	if (is_email)
 		gh_buf_puts(&buf, "mailto:");
 
diff --git a/src/print.c b/src/print.c
index c262995..832ad4f 100644
--- a/src/print.c
+++ b/src/print.c
@@ -153,7 +153,10 @@ extern void print_inlines(inl* ils, int indent)
 		case INL_LINK:
 		case INL_IMAGE:
 			printf("%s url=", ils->tag == INL_LINK ? "link" : "image");
-			print_str(ils->content.linkable.url, -1);
+
+			if (ils->content.linkable.url)
+				print_str(ils->content.linkable.url, -1);
+
 			if (ils->content.linkable.title) {
 				printf(" title=");
 				print_str(ils->content.linkable.title, -1);
-- 
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