Fix help-value for "--syntax-highlight" argument.
"ON" and "OFF" in uppercase are not accepted. Print help in lowercase to match accepted values.
@@ -116,7 +116,7 @@ fn app() -> clap::Command<'static> {
)
.arg(
Arg::new("syntax-highlight").long("syntax-highlight")
- .value_name("ON/OFF")
+ .value_name("on/off")
.env("DFT_SYNTAX_HIGHLIGHT")
.possible_values(["on", "off"])
.default_value("on")
