patch 8.2.4861: it is not easy to restore saved mappings
Problem: It is not easy to restore saved mappings.
Solution: Make mapset() accept a dict argument. (Ernie Rael, closes #10295)
diff --git a/src/proto/typval.pro b/src/proto/typval.pro
index b744bbc..459cf7c 100644
--- a/src/proto/typval.pro
+++ b/src/proto/typval.pro
@@ -9,6 +9,7 @@
varnumber_T tv_get_bool(typval_T *varp);
varnumber_T tv_get_bool_chk(typval_T *varp, int *denote);
float_T tv_get_float(typval_T *varp);
+int check_for_unknown_arg(typval_T *args, int idx);
int check_for_string_arg(typval_T *args, int idx);
int check_for_nonempty_string_arg(typval_T *args, int idx);
int check_for_opt_string_arg(typval_T *args, int idx);