{"head":"4961bd716977631d29990b8404efa79ddc7b711d","size":1,"push_id":45921194,"shas":[["4961bd716977631d29990b8404efa79ddc7b711d","2c2f3a732b49851d66f9d133d935e9358e0cdad1@yihui.name","remove irrelevant chunks in R scripts","Yihui Xie"]],"ref":"refs/heads/master"}