yihui/knitr — pull request #888 by Kevin-M-Smith (2014-11-07 15:31:52+00:00)
Title: Fix the toggle_R() example.

See example:
It appears pandoc no longer uses class "sourceCode r", but rather just 'r'.

Rpubs: http://rpubs.com/Kevin-M-Smith/39263

View source at this page to see javascript: http://rstudio-pubs-static.s3.amazonaws.com/39263_d9bc838e057749b9a8c98613ebd406f5.html