patch 8.2.1159: Vim9: no error for missing space after a comma Commit: https://github.com/vim/vim/commit/6b7a0a8c201bbace7e69fe0709f72b95092193df Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 8 18:38:08 2020 +0200 patch 8.2.1159: Vim9: no error for missing space after a comma Problem: Vim9: no error for missing space after a comma. Solution: Check for white space.

--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3060,7 +3060,14 @@ compile_list(char_u **arg, cctx_T *cctx)
 	    break;
 	++count;
 	if (*p == ',')
+	{
 	    ++p;
+	    if (*p != ']' && !IS_WHITE_OR_NUL(*p))
+	    {
+		semsg(_(e_white_after), ",");
+		return FAIL;
+	    }
+	}
 	whitep = p;
 	p = skipwhite(p);
     }