`combineOldNew()` is a function that combines (`paste`) fieldname and standard names with unicode characters to present in checkboxes.
combineOldNew(data, symbolArrow = "->", symbolSpace = " ")data.frame of matched names (`darwinizeNames()` output)
character string for symbol that is used in `paste0` to connect old and new name
character string for symbol used instead of white space
data.frame of darwinized user names.