Issue #10639: reindent.py tool now accepts a --newline option to specify the newline to be used in the output of converted files.
diff --git a/Misc/NEWS b/Misc/NEWS
index eb55f29..6010328 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1075,6 +1075,7 @@
 
 - Issue #10639: reindent.py no longer converts newlines and will raise
   an error if attempting to convert a file with mixed newlines.
+  "--newline" option added to specify new line character.
 
 Extension Modules
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