patch 8.2.4871: Vim9: in :def function no error for misplaced range Commit: https://github.com/vim/vim/commit/09d9421b673366e5f6e56fbf74204a1c316fdea2 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 5 15:20:03 2022 +0100 patch 8.2.4871: Vim9: in :def function no error for misplaced range Problem: Vim9: in :def function no error for using a range with a command that does not accept one. Solution: Check for the command to accept a range. (closes #10330)

--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3080,6 +3080,11 @@ compile_def_function(
 		ea.forceit = TRUE;
 		p = skipwhite(p + 1);
 	    }
+	    if ((ea.argt & EX_RANGE) == 0 && ea.addr_count > 0)
+	    {
+		emsg(_(e_no_range_allowed));
+		goto erret;
+	    }
 	}
 
 	switch (ea.cmdidx)