gnuplot terminates unexpectedly

[Bastian M. <bma...@we...>]

Currently the builtin readline causes gnuplot to terminate
if ^D (DEL) is entered on an empty line. Would the following
trivial change have any negative side effect?

Bastian


--- /src/readline.c	(revision 231)
+++ /src/readline.c	(working copy)
@@ -715,7 +722,9 @@
  	    case 004:		/* ^D */
  		if (max_pos == 0) {
  		    reset_termio();
-		    return ((char *) NULL);
+		    if (!interactive) /* terminate */
+			return ((char *) NULL);
+		    break;
  		}
  		if (cur_pos < max_pos) {
  		    for (i = cur_pos; i < max_pos; i++)