md_tw.py: Add TWBlockLexer.parse_def_links.

* md_tw.py
(TWBlockLexer.parse_def_links): New method.
* tests/test_md_tw.py
(TestTWBlockLexer.test_parse_def_links): New test.
* tests/data/blexer-def-links.md: New file.

1 files changed, 34 insertions, 0 deletions

diff --git a/tests/data/blexer-def-links.md b/tests/data/blexer-def-links.md
new file mode 100644
index 0000000..c09e417
--- /dev/null
+++ b/tests/data/blexer-def-links.md
@@ -0,0 +1,34 @@
+This is [an example](http://example.com/ "Title") inline link.
+
+[This link](http://example.net/) has no title attribute.
+
+See my [About](/about/) page for details.
+
+This is [Bob][bob]'s web space.
+
+This is [Alice][alice]'s web space.
+
+[bob]: http://bob.name/ "Bob's home"
+[alice]: <http://alice.name/> "Alice's home"
+
+Some foo[bar].
+
+[bar]: http://bar.beer/  "Foo Bar Beer"
+
+Visit [GNU.org][].
+
+[GNU.org]: http://gnu.org
+
+John Gruber gets 10 times more traffic from [Google][1] than from
+[Yahoo][2] or [MSN][3].
+
+  [1]: http://google.com/        "Google"
+  [2]: http://search.yahoo.com/  "Yahoo Search"
+  [3]: http://search.msn.com/    "MSN Search"
+
+John Gruber gets 10 times more traffic from [Google][] than from
+[Yahoo][] or [MSN][].
+
+  [google]: http://google.com/        "Google"
+  [yahoo]:  http://search.yahoo.com/  "Yahoo Search"
+  [msn]:    http://search.msn.com/    "MSN Search"