This field is a character (usually 'y' or 'n') that tells git to
save ('y') or not to save ('n') the terminal's screen after executing
the `formatted-command'. Saving the screen is not necessary while
editing or viewing a file because the information left after the editor
or the viewer exits is not important. Saving the screen means that that
screen will be restored before the execution of the next command.
Currently this field is used only if you are working as a super user
under Linux on a virtual console. Its default value is 'y'.
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