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diff src/eval.c @ 20126:831b1ea43020 v8.2.0618

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patch 8.2.0618: echoing a null list results in no output Commit: https://github.com/vim/vim/commit/db950e4c0318c084c31bc7b50665284f4a47c285 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 22 19:13:19 2020 +0200 patch 8.2.0618: echoing a null list results in no output Problem: Echoing a null list results in no output. (Yegappan Lakshmanan) Solution: Return "[]" instead of NULL in echo_string_core().
author Bram Moolenaar <Bram@vim.org>
date Wed, 22 Apr 2020 19:15:04 +0200
parents f40231487a49
children 0b35a7ffceb2
line wrap: on
line diff
--- a/src/eval.c
+++ b/src/eval.c
@@ -4528,8 +4528,9 @@ echo_string_core(
 	case VAR_LIST:
 	    if (tv->vval.v_list == NULL)
 	    {
+		// NULL list is equivalent to empty list.
 		*tofree = NULL;
-		r = NULL;
+		r = (char_u *)"[]";
 	    }
 	    else if (copyID != 0 && tv->vval.v_list->lv_copyID == copyID
 		    && tv->vval.v_list->lv_len > 0)