007-text-output.Rmd doesn't compile in Rstudio

[isomorphisms]

Quitting from lines 62-62 (007-text-output.Rmd) 
Error in parse(text = x, srcfile = src) : 
  <text>:10:0: unexpected end of input
8: ## 
9: ## dnorm(0)
  ^
Calls: <Anonymous> ... evaluate -> parse_all -> parse_all.character -> parse
Execution halted

[yihui]

Thanks. Just fixed it in the development version of knitr. It was not caught by Travis CI because I was using tidy=TRUE for all examples: https://github.com/yihui/knitr-examples/blob/master/k