There is a bug in pandoc < 1.12.1 where the --no-highlight option is not honored in some situations. The IPython.nbconvert.utils.pandoc module prints a warning if minimal version is not satisfied..
There is a bug in pandoc < 1.12.1 where the --no-highlight option is not honored
in some situations. The IPython.nbconvert.utils.pandoc module prints a warning
if minimal version is not satisfied..

ipython/ipython,ipython/ipython