Minor fix for stripping newlines

README.md

@@ -179,6 +179,7 @@ following sample config:
 ### Unreleased
 
 <!-- bumpversion-changelog -->
+- Bugfix for `alphabetize-codeowners` stripping ending newlines
 
 ### 0.6.0
 

src/texthooks/_recorders.py

@@ -93,6 +93,9 @@ def run_line_fixer(self, line_fixer: t.Callable[[str], str], filename: str):
         newcontent = []
         for lineno, line in enumerate(content, 1):
             newline = line_fixer(line)
+            # re-add newline if it was stripped by the fixer
+            if line.endswith("\n") and not newline.endswith("\n"):
+                newline += "\n"
             newcontent.append(newline)
             if newline != line:
                 self.add(filename, line, newline, lineno)