doc: Kconfig: Document how whitespace is used in Kconfig sources

Document how whitespace is used in Kconfig sources. This serves as an
authoritative reference in code review.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
This commit is contained in:
Sebastian Bøe 2020-02-20 10:32:30 +01:00 committed by Maureen Helm
commit 55894dde58

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@ -807,6 +807,10 @@ A few formatting nits, to help keep things consistent:
- Put a blank line before/after each top-level ``if`` and ``endif``
- Use a single tab for each indentation
- Indent help text with two extra spaces
Lesser-known/used Kconfig features
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