Fix update_line() updates on screen edges

Obtained from: bash sources
1995-04-18 11:00:47 +00:00 · 1995-04-18 11:00:47 +00:00 · a989b77e9e
commit a989b77e9e
parent f744a9768e
1 changed files with 1 additions and 1 deletions
--- a/gnu/lib/libreadline/display.c
+++ b/gnu/lib/libreadline/display.c
@ -690,7 +690,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	putc (' ', rl_outstream);
      _rl_last_c_pos = 1;		/* XXX */
      _rl_last_v_pos++;
-      if (old[0])
+      if (old[0] && new[0])
        old[0] = new[0];
    }