Change default repeat to 600

660 comes from Xorg, but feels kind of slow. The wlroots and sway
default is 600, which is a little better.

The 25 repeat interval matches between Xorg (where it is defined in
terms of interval, rather than rate) and wlroots.

resources/default-config.kdl

@@ -3,14 +3,6 @@
 
 input {
     keyboard {
-        // Control the repeat rate of the keyboard.
-
-        // Repeat delay in milliseconds.
-        repeat-delay 660
-
-        // Repeat rate in characters per second.
-        repeat-rate 25
-
         xkb {
             // You can set rules, model, layout, variant and options.
             // For more information, see xkeyboard-config(7).
@@ -19,6 +11,11 @@ input {
             // layout "us,ru"
             // options "grp:win_space_toggle,compose:ralt,ctrl:nocaps"
         }
+
+        // You can set the keyboard repeat parameters. The defaults match wlroots and sway.
+        // Delay is in milliseconds before the repeat starts. Rate is in characters per second.
+        // repeat-delay 600
+        // repeat-rate 25
     }
 
     // Next sections contain libinput settings.

src/config.rs

@@ -30,10 +30,9 @@ pub struct Input {
 pub struct Keyboard {
     #[knuffel(child, default)]
     pub xkb: Xkb,
-    // The default value represents the one used by Xorg.
-    #[knuffel(child, unwrap(argument), default = 660)]
+    // The defaults were chosen to match wlroots and sway.
+    #[knuffel(child, unwrap(argument), default = 600)]
     pub repeat_delay: u16,
-    // The default value represents the one used by Xorg.
     #[knuffel(child, unwrap(argument), default = 25)]
     pub repeat_rate: u8,
 }
@@ -250,7 +249,7 @@ mod tests {
             r#"
             input {
                 keyboard {
-                    repeat-delay 660
+                    repeat-delay 600
                     repeat-rate 25
                     xkb {
                         layout "us,ru"
@@ -285,7 +284,7 @@ mod tests {
                             options: Some("grp:win_space_toggle".to_owned()),
                             ..Default::default()
                         },
-                        repeat_delay: 660,
+                        repeat_delay: 600,
                         repeat_rate: 25,
                     },
                     touchpad: Touchpad {