use ## ---- instead of @knitr
update URL of my book
a new book written with knitr
more details about these books
Richie's new book with AsciiDoc+knitr
a presentation by 和田 計也
2011 Census Open Atlas Project
document the purl option
no use.highlight option (#470)
fix the typo http://yihui.name/knitr/demo/sweave/#comment-924948061
white spaces
the cat engine
the talk by Vinayak