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+# NetHack 3.7  Contributing.txt       $NHDT-Date: 1596498265 2020/08/03 23:44:25 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.19 $
+# NetHack may be freely redistributed.  See license for details.
+
+If you are making a GitHub pull request for NetHack, please follow these guidelines:
+
+1. The 50/72 Rule: Keep the subject line (the first line) under 50 characters
+for readability in git log --oneline. If you need a more detailed description
+(the body), wrap it at 72 characters.
+