fixed issue with signoff detection

mailfmt.py

@@ -75,7 +75,7 @@ def main() -> None:
         if not signoff_cache and 1 <= n <= 5 and line[-1] == ",":
             return True
         # second potential line
-        elif signoff_cache and 1 <= n <= 5 and line[-1].isalpha():
+        elif signoff_cache and 1 <= n <= 5:
             for w in words:
                 if not w[0].isupper():
                     return False

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "mailfmt"
-version = "1.0.1"
+version = "1.0.2"
 description = "Heuristic plain text email formatter."
 readme = "README.md"
 authors = [