How can you automatically remove trailing whitespace in vim

Question

I am getting \'trailing whitespace\' errors trying to commit some files in git.

I want to remove these trailing whitespace characters automatically right before I sa

Answer 1

I also usually have a :

match Todo /\s\+$/

in my .vimrc file, so that end of line whitespace are hilighted.

Todo being a syntax hilighting group-name that is used for hilighting keywords like TODO, FIXME or XXX. It has an annoyingly ugly yellowish background color, and I find it's the best to hilight things you don't want in your code :-)