disable control characters in link definitions

kivikakk · May 29, 2022 · 87c6483 · 87c6483
1 parent 0deecf6
commit 87c6483
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/src/parser/inlines.rs b/src/parser/inlines.rs
@@ -1152,7 +1152,7 @@ pub fn manual_scan_link_url_2(input: &[u8]) -> Option<(&[u8], usize)> {
             }
             nb_p -= 1;
             i += 1;
-        } else if isspace(input[i]) {
+        } else if isspace(input[i]) || input[i].is_ascii_control() {
             if i == 0 {
                 return None;
             }

diff --git a/src/tests.rs b/src/tests.rs
@@ -553,6 +553,14 @@ fn reference_links() {
     );
 }
 
+#[test]
+fn no_control_characters_in_reference_links() {
+    html(
+        "[A]:\u{1b}\n\nX [A] Y\n",
+        "<p>[A]:\u{1b}</p>\n<p>X [A] Y</p>\n",
+    )
+}
+
 #[test]
 fn link_entity_regression() {
     html(