Extend the shell-scripting section of CodingGuidelines to suggest octal escape sequences (e.g. "\302\242") over hexadecimal (e.g. "\xc2\xa2") since the latter can be a source of portability problems. Signed-off-by: Jonathan Tan <jonathantanmy@xxxxxxxxxx> --- I've used Eric's suggestion for the commit message and limited the scope of the documentation change to printf. Version 1 was here: https://lore.kernel.org/git/20230613172927.19019-1-jonathantanmy@xxxxxxxxxx/ --- Documentation/CodingGuidelines | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 003393ed16..30ac7d2d3f 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -188,6 +188,10 @@ For shell scripts specifically (not exhaustive): hopefully nobody starts using "local" before they are reimplemented in C ;-) + - Use octal escape sequences (e.g. "\302\242"), not hexadecimal (e.g. + "\xc2\xa2"), since the latter is not portable across commands like + "printf". + For C programs: -- 2.41.0.162.gfafddb0af9-goog
