- * by spaces. The string "path" contains the path to be prepended to
- * the TEXINPUTS environment variable. Unset "process_events" in
- * case UI should be blocked while processing the external command.
+ * by spaces and encoded in the filesystem encoding. The string "path"
+ * contains the path to be prepended to the TEXINPUTS environment
+ * variable and encoded in utf-8. Unset "process_events" in case
+ * UI should be blocked while processing the external command.