Column // axis-label specification
col_label(x)
col_label("CL // Clearance (L)")
#> [1] "CL" "Clearance (L)"
col_label("CL//Clearance (L)")
#> [1] "CL" "Clearance (L)"
col_label("CL $$ Clearance (L)")
#> [1] "CL" "Clearance (L)"
col_label("CL !! Clearance (L)")
#> [1] "CL" "Clearance (L)"
col_label("CL @@ Clearance (L)")
#> [1] "CL" "Clearance (L)"
try(col_label("CL / Clearance (L)"))
#> Error : invalid 'column // label' specification:
#> CL / Clearance (L)