[PATCH v2 2/5] Documentation: clarify indentation style for C preprocessor directives

[Patrick Steinhardt <ps@pks.im>]

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In the preceding commit, we have settled on using a single space per
nesting level to indent preprocessor directives. Clarify our coding
guidelines accordingly.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 Documentation/CodingGuidelines | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index 1d92b2da03..65fba3b810 100644
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -214,6 +214,16 @@ For C programs:
  - We use tabs to indent, and interpret tabs as taking up to
    8 spaces.
 
+ - Nested C preprocessor directives are indented after the hash by one
+   space per nesting level.
+
+	#if FOO
+	# include <foo.h>
+	# if BAR
+	#  include <bar.h>
+	# endif
+	#endif
+
  - We try to keep to at most 80 characters per line.
 
  - As a Git developer we assume you have a reasonably modern compiler
-- 
2.46.0.dirty


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