Pull request #37: fix: correct morse span code

Merge in FRAG/50ohm.de from fix/morse to main

* commit '7b81c11ce3b6e81a6962235c410943bfb08677a2':
  feature: new test with two morse codes in one line
  fix: correct morse span code

renderer/morse.py

@@ -87,4 +87,4 @@ class Morse(SpanToken):
         return result
 
     parse_inner = False
-    pattern = re.compile(r'\[morse:\s*(.+)\]')
+    pattern = re.compile(r'\[morse:\s*([^\]]+)\]')