From d88c9f95e38cb86460ba4acaf90b24c3c8fce8bf Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Wed, 25 Feb 2009 15:37:58 +0100 Subject: * HACKING: avoid trailing white space --- HACKING | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'HACKING') diff --git a/HACKING b/HACKING index bf9a45e04..0675f9c57 100644 --- a/HACKING +++ b/HACKING @@ -356,6 +356,30 @@ With other files, there will be some existing differences. Try not to add any more. +Avoid trailing white space +========================== +You may notice that the only trailing blanks in coreutils' +version-controlled files are in a single directory: tests/pr, +which contains expected output from various invocations of pr. + +Do not add any more trailing blanks anywhere. While "make syntax-check" +will alert you if you slip up, it's better to nip any problem in the +bud, as you're typing. A good way to help you adapt to this rule is +to configure your editor to highlight any offending characters in the +files you edit. If you use Emacs, customize its font-lock mode (FIXME: +provide more detail) or try one of its whitespace packages. This appears +to be the one that will end up in emacs 23: + + http://www.emacswiki.org/emacs/WhiteSpace + +[that page says its version also works with emacs 21 and 22] +If you use vim, add this to ~/.vimrc: + + let c_space_errors=1 + highlight RedundantSpaces ctermbg=red guibg=red + match RedundantSpaces /\s\+$\| \+\ze\t/ + + ------------------------------------------- Miscellaneous useful git commands -- cgit v1.2.3-70-g09d2