We do not have to use the chunk option names given in knitr; we can set
aliases for them. The aliases are a named character vector; the names are
aliases and the elements in this vector are the real option names.
Usage
set_alias(...)
Arguments
...
Named arguments. Argument names are aliases, and argument values
are real option names.
Value
NULL. opts_knit$get('aliases') is modified as the side effect.