patch 8.2.2658: :for cannot loop over a string
Problem: :for cannot loop over a string.
Solution: Accept a string argument and iterate over its characters.
diff --git a/src/errors.h b/src/errors.h
index 04179a3..cb0f846 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -389,3 +389,5 @@
INIT(= N_("E1175: Non-empty string required for argument %d"));
EXTERN char e_misplaced_command_modifier[]
INIT(= N_("E1176: Misplaced command modifier"));
+EXTERN char e_for_loop_on_str_not_supported[]
+ INIT(= N_("E1177: For loop on %s not supported"));