From 4e7bd66318b3ae60fbba7d886d9a98b71ffbf74e Mon Sep 17 00:00:00 2001 From: Josh Triplett Date: Sun, 15 Jul 2007 23:41:37 -0700 Subject: [PATCH] CodingStyle: add information about editor modelines I recently received a patch including a file that had a vim modeline, and I realized that nothing specifically proscribed that practice. Signed-off-by: Josh Triplett Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/CodingStyle | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle index 00bffa7b740e..a667eb1fc26e 100644 --- a/Documentation/CodingStyle +++ b/Documentation/CodingStyle @@ -738,6 +738,33 @@ need them. Feel free to peruse that header file to see what else is already defined that you shouldn't reproduce in your code. + Chapter 18: Editor modelines and other cruft + +Some editors can interpret configuration information embedded in source files, +indicated with special markers. For example, emacs interprets lines marked +like this: + +-*- mode: c -*- + +Or like this: + +/* +Local Variables: +compile-command: "gcc -DMAGIC_DEBUG_FLAG foo.c" +End: +*/ + +Vim interprets markers that look like this: + +/* vim:set sw=8 noet */ + +Do not include any of these in source files. People have their own personal +editor configurations, and your source files should not override them. This +includes markers for indentation and mode configuration. People may use their +own custom mode, or may have some other magic method for making indentation +work correctly. + + Appendix I: References