indent/tf.vim update to include b:undo_indent

[Christian J. Robinson]

I've attached an update of the indent/tf.vim file so it supports b:undo_indent.

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Christian J. Robinson <hep...@gmail.com>

[Bram Moolenaar]

Christian J. Robinson wrote:

> I've attached an update of the indent/tf.vim file so it supports
> b:undo_indent.

Thanks, I'll include it.

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