tabs_as_spaces(string, c(2, 3, 4, 5, 8))

Error in tabs_as_spaces(string, warn = 1:3) : 
  Argument `warn` must be TRUE or FALSE.

Argument `tab.stops` must be numeric, strictly positive, and representable as an integer.

Error in tabs_as_spaces(string, tab.stops = "hello") : 
  Argument `tab.stops` must be numeric, strictly positive, and representable as an integer.

Argument `ctl` may contain only values in `c("all", "nl", "c0", "sgr", "csi", "esc", "url", "osc")`

Error in tabs_as_spaces(string, ctl = "hello") : 
  Argument `ctl` may contain only values in `c("all", "nl", "c0", "sgr", "csi", "esc", "url", "osc")`

Error in tabs_as_spaces(string, ctl = 0) : 
  Argument `ctl` must be character.