h5bp/html5-boilerplate — comment on commit d269a55d4541756c1b339429997e7ca507b5c908
File: build/build.xml line 454
By kblomqvist:

@paulirish Thanks for the hint

@nimbupani In Vim to convert tabs to spaces use _:set expandtab_. To control the number of spaces command _:set tabstop=4_ (four spaces). When you have set these to intended values you can retab the file by saying _:retab!_.