AutoIndent (ne’s manual)

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#### 4.8.8 AutoIndent

Syntax: `AutoIndent [0|1]`
Abbreviation: `AI`

sets the auto indent flag. When this flag is true, `ne` will automatically insert TABs and spaces on a new line (created by an `InsertLine` command, or by automatic word wrapping) in such a way to replicate the initial spaces of the previous line. Most useful for indenting programs.

If you invoke `AutoIndent` with no arguments, it will toggle the flag. If you specify 0 or 1, the flag will be set to false or true, respectively. A lower case ‘`a`’ will appear on the status bar if the flag is true.

`AutoIndent` features a nice interaction with `Undo`. Whenever a new line is created, the insertion of spaces is recorded as a separate action in the undo buffer (with respect to the line creation). If you are not satisfied with the indentation, just give the `Undo` command and the indentation will disappear (but the new line will remain in place, since its creation has been recorded as a separate action). See Undo.