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docs: update

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Dylan Araps 2020-08-07 10:43:26 +03:00
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@ -255,15 +255,6 @@ ________________________________________________________________________________
- If input doesn't follow this sequence, 'esc' is reset to '0'.
* There is no usage of '[' or 'test'.
Despite these being commonly provided as "shell builtins" (part of the shell),
a lot of shells still use the external utilities from the coreutils. All usage
of these has been replaced with 'case' as it is always a "shell keyword".
This is one of the approaches taken to reduce the need for anything external.
* Filename escaping works via looping over a string char by char.
I didn't think this was possible in POSIX shell until I needed to do this in