It was also defined in the Plan 9 code style: http://plan9.bell-labs.com/magic/man2html/6/style http://plan9.bell-labs.com/magic/man2html/6/style "no white spa

It was also defined in the Plan 9 code style: http://plan9.bell-labs.com/magic/man2html/6/style http://plan9.bell-labs.com/magic/man2html/6/style "no white space after the keywords if, for, while, etc."