Allow spaces in link destination delimited with pointy brackets.

To conform to recent spec change.

Author: jgm

src/inlines.c

@@ -933,7 +933,7 @@ static bufsize_t manual_scan_link_url(cmark_chunk *input, bufsize_t offset,
         break;
       } else if (input->data[i] == '\\')
         i += 2;
-      else if (cmark_isspace(input->data[i]) || input->data[i] == '<')
+      else if (input->data[i] == '\n' || input->data[i] == '<')
         return manual_scan_link_url_2(input, offset, output);
       else
         ++i;