Changed italics to use-italic-text in config

Better placing of italics in help and also added long_help for it

src/app.rs

@@ -77,7 +77,7 @@ pub struct Config<'a> {
     /// Command to start the pager
     pub pager: Option<&'a str>,
 
-    pub italics: bool,
+    pub use_italic_text: bool,
 }
 
 fn is_truecolor_terminal() -> bool {
@@ -260,7 +260,7 @@ impl App {
             output_components,
             syntax_mapping,
             pager: self.matches.value_of("pager"),
-            italics: match self.matches.value_of("italic-text") {
+            use_italic_text: match self.matches.value_of("italic-text") {
                 Some("always") => true,
                 _ => false,
             },

src/clap_app.rs

@@ -202,6 +202,17 @@ pub fn build_app(interactive_output: bool) -> ClapApp<'static, 'static> {
                      Possible values: *auto*, never, always.",
                 ),
         )
+        .arg(
+            Arg::with_name("italic-text")
+                .long("italic-text")
+                .takes_value(true)
+                .value_name("when")
+                .possible_values(&["always", "never"])
+                .default_value("never")
+                .hide_default_value(true)
+                .help("Use italics in output (always, *never*)")
+                .long_help("Specify when to use ANSI sequences for italic text in the output. Possible values: always, *never*."),
+        )
         .arg(
             Arg::with_name("decorations")
                 .long("decorations")
@@ -320,17 +331,6 @@ pub fn build_app(interactive_output: bool) -> ClapApp<'static, 'static> {
                 .hidden(true)
                 .help("Show path to the configuration file."),
         )
-        .arg(
-            Arg::with_name("italic-text")
-                .long("italic-text")
-                .takes_value(true)
-                .multiple(false)
-                .value_name("always|*never*")
-                .possible_values(&["always", "never"])
-                .default_value("never")
-                .hide_default_value(true)
-                .help("Use italics in output (always, *never*)"),
-        )
         .subcommand(
             SubCommand::with_name("cache")
                 .about("Modify the syntax-definition and theme cache")

src/printer.rs

@@ -305,7 +305,7 @@ impl<'a> Printer for InteractivePrinter<'a> {
         if self.config.output_wrap == OutputWrap::None {
             let true_color = self.config.true_color;
             let colored_output = self.config.colored_output;
-            let italics = self.config.italics;
+            let italics = self.config.use_italic_text;
 
             for &(style, region) in regions.iter() {
                 let text = &*self.preprocess(region, &mut cursor_total);
@@ -368,7 +368,7 @@ impl<'a> Printer for InteractivePrinter<'a> {
                                             ),
                                             self.config.true_color,
                                             self.config.colored_output,
-                                            self.config.italics
+                                            self.config.use_italic_text
                                         )
                                     )?;
                                     break;
@@ -408,7 +408,7 @@ impl<'a> Printer for InteractivePrinter<'a> {
                                         ),
                                         self.config.true_color,
                                         self.config.colored_output,
-                                        self.config.italics
+                                        self.config.use_italic_text
                                     ),
                                     panel_wrap.clone().unwrap()
                                 )?;

src/terminal.rs

@@ -29,7 +29,7 @@ pub fn as_terminal_escaped(
             color.bold()
         } else if style.font_style.contains(FontStyle::UNDERLINE) {
             color.underline()
-        } else if style.font_style.contains(FontStyle::ITALIC) && italics {
+        } else if italics && style.font_style.contains(FontStyle::ITALIC) {
             color.italic()
         } else {
             color.normal()