linux-kernel - [RFC] CodeStyle: Use spaces when aligning/decorating

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Date:	Tue, 26 Feb 2008 22:47:10 +0100
From:	ricknu-0@...dent.ltu.se
To:	khc@...waw.pl, bhalevy.lists@...il.com, jengelh@...putergmbh.de
Cc:	linux-kernel@...r.kernel.org
Subject: [RFC] CodeStyle: Use spaces when aligning/decorating

Relaxing the 'tab = 8 character', which leads to 'don't tab the alignment'.
By only using tabs for indentation, we solidify it as a 'logical indentation'.

Signed-off-by: Richard Knutsson <ricknu-0@...dent.ltu.se>
---
To'ed the people who showed interest in the (apparently not so new)
question/suggestion of not using tabs when aligning.
If this looks ok, then checkpatch.pl is next...


diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle
index 6caa146..1b3f448 100644
--- a/Documentation/CodingStyle
+++ b/Documentation/CodingStyle
@@ -15,10 +15,8 @@ Anyway, here goes:
 
 	 	Chapter 1: Indentation
 
-Tabs are 8 characters, and thus indentations are also 8 characters.
-There are heretic movements that try to make indentations 4 (or even 2!)
-characters deep, and that is akin to trying to define the value of PI to
-be 3.
+This project is recommended to be viewed with a tab-width of 8 characters
+(and other code).
 
 Rationale: The whole idea behind indentation is to clearly define where
 a block of control starts and ends.  Especially when you've been looking
@@ -86,13 +84,15 @@ substantially to the right. The same applies to function
headers with a long
 argument list. Long strings are as well broken into shorter strings. The
 only exception to this is where exceeding 80 columns significantly increases
 readability and does not hide information.
+As this falls under alignments, only use tabs to indent it to the parents
+level and then space in the rest.
 
 void fun(int a, int b, int c)
 {
 	if (condition)
 		printk(KERN_WARNING "Warning this is a long printk with "
-						"3 parameters a: %u b: %u "
-						"c: %u \n", a, b, c);
+		                    "3 parameters a: %u b: %u "
+		                    "c: %u \n", a, b, c);
 	else
 		next_statement;
 }

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