The "Subject: " line is supposed to concisely describe what the
commit is about in one line of text.
-"From: " and "Subject: " lines starting the body override the respective
-commit author name and title values taken from the headers.
+"From: ", "Date: ", and "Subject: " lines starting the body override the
+respective commit author name and title values taken from the headers.
The commit message is formed by the title taken from the
"Subject: ", a blank line and the body of the message up to