Get rid of trailing newline when running scripts

markdownrunner.py

@@ -152,6 +152,7 @@ def user_action(hunk: Sequence[Command], context=None) -> Sequence[Command]:
 			for line in tmpfile.file.readlines():
 				if line == '':
 					continue
+				line = line.rstrip('\n')
 				parts = line.split('\t', maxsplit=2)
 				# Change user to None if it is not specified
 				parts[0] = parts[0].strip() if parts[0].strip() != '' else None