pona: o pona e ilo Codeblocks

lon la pakala li awen ken tan ni:
nasin pi ilo Siko li nasa *wawa*. taso, ken suli la toki pona li nasa
ala lon nasin ni la nasin ni mi li pona. kin la, nasin toki li nasa lon
toki wan la ona li musi ilo li toki pona ala anu seme...

src/sonatoki/Preprocessors.py

@@ -150,8 +150,8 @@ class Codeblock(RegexPreprocessor):
     """
 
     pattern = re.compile(
-        r"^```(?:[\w\-]+)?$(?:(?!```).*?)^```$",
-        flags=re.MULTILINE | re.DOTALL,
+        r"```.+?```",
+        flags=re.DOTALL,
     )
 
 

tests/test_preprocessors.py

@@ -63,6 +63,12 @@ def test_Backticks(s: str):
 second blocky message
 ```"""
 )
+@example(
+    """```oisandm123-_mu
+arbitrary content
+```"""
+)
+@example("""```mu```""")
 def test_Codeblock(s: str):
     res = Codeblock.process(s).strip()
     assert res == "", (repr(s), repr(res))