These S3 methods are necessary to allow HTML tags to print themselves in knitr/rmarkdown documents.
knit_print.shiny.tag(x, ..., inline = FALSE)
knit_print.html(x, ..., inline = FALSE)
knit_print.shiny.tag.list(x, ..., inline = FALSE)
knit_print.html_dependency(x, ..., inline = FALSE)
Object to knit_print
Additional knit_print arguments
Whether or not the code chunk is inline.