David Caldwell <david@porkrind.org> writes:

> Hello,
>
> M-x describe-variable RET whitespace-style RET
>
> says:
>
> [snip]
>
>    indentation::tab     8 or more SPACEs at beginning of line are
>                         visualized via faces.
>                         It has effect only if ‘face’ (see above)
>                         is present in ‘whitespace-style’.
>
>    indentation::space   TABs at beginning of line are visualized via
>                         faces.
>                         It has effect only if ‘face’ (see above)
>                         is present in ‘whitespace-style’.

I tried to reproduce this bug with the following file: