`replace_tabs` -> `normalize_whitespace`
`replace_tabs` -> `normalize_whitespace`

graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust