**/
char *safe_arg(const char *opt, const char *arg)
{
-#define SHELL_CHARS "!#$&;|<>(){}\"' \t\\"
+#define SHELL_CHARS "!#$&;|<>(){}\"'` \t\\"
#define WILD_CHARS "*?[]" /* We don't allow remote brace expansion */
BOOL is_filename_arg = !opt;
char *escapes = is_filename_arg ? SHELL_CHARS : WILD_CHARS SHELL_CHARS;