library(knitr)
knit("geom_rect_knit_.md")
knit("geom_rect_knit_.md")
knit_hook
knit_hooks
class(knit_hooks)
knit_hooks$defaults
ls(knit_hooks)
str(knit_hooks)
defaults
knit:::defaults
knitr:::defaults
knitr::defaults
render_gfm
str_c
knitr::str_c
knitr:::str_c
??str_c
knit("geom_rect_knit_.md")
knit("geom_rect_knit_.md")
knit("geom_rect_knit_.md")
