1 Wiki external links test:
5 (2) [https://d/e/f DEF]
9 (4) [gopher://j/k/l JKL]
11 (5) [news:a.b.c A.B.C]
13 (6) [mailto:a@b.c A@B.C]
19 (9) [http://a/b/c.png]
21 (10) [http://d/e/f.jpg]
29 (14) http://a/b/c. More text.
31 (15) http://d/e/f, More text.