nano: add new command for backup (#4397)

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Ray Voice 2020-10-05 18:56:27 +05:00 committed by GitHub
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commit 33079e3240
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@ -18,3 +18,7 @@
- Indent new lines to the previous lines' indentation:
`nano -i {{filename}}`
- Before modification, backup separately as `{{current_file_name}}~`:
`nano -B {{filename}}`