int output_to_vt_buffer = 0;
int add_control_qs = 0;
int with_colors = 1;
-int zsh_history = 0, bash_history = 0;
+int zsh_history = 0;
+int bash_history = 0;
int inverse_order = 0;
int remove_duplicates = 0;
int use_regexp = 0;
<< endl
<< " -h show this help" << endl
<< " -v inject the selected line in the tty" << endl
+ << " -w quotes control characters with ^Qs" << endl
<< " -d remove duplicated lines" << endl
<< " -b remove the bash history line prefix" << endl
<< " -z remove the zsh history line prefix" << endl