R/quote.R
dquote.Rd
Wrap a string in double quotes, e.g., for displaying character values in messages.
dquote(x)
A character vector
If the input is NULL, the text "NULL" is returned. Otherwise, the input in double quotes is returned.
NULL
"NULL"
Helpers for working with Quotes and Quoting: backquote(), enumerate(), squote()
backquote()
enumerate()
squote()