Functions to work with RStudio dictionaries.
open_rstudio_system_dictionaries_dir()
open_rstudio_user_dictionaries_dir()
open_rstudio_internal_dictionaries_dir()
open_rstudio_system_dictionaries_dir()
open_rstudio_user_dictionaries_dir()
open_rstudio_internal_dictionaries_dir()
String with path.