Tweak the help layout

command.go

@@ -600,7 +600,7 @@ func writeArgumentsSection(cmd *Command, s *strings.Builder) error {
 		case requiredArgMarker:
 			tab.Row("  %s\t%s [required]\n", colour.Bold(arg.name), arg.description)
 		case "":
-			tab.Row("  %s\t%s\n", colour.Bold(arg.name), arg.description)
+			tab.Row("  %s\t%s [default %q]\n", colour.Bold(arg.name), arg.description, arg.defaultValue)
 		default:
 			tab.Row("  %s\t%s [default %s]\n", colour.Bold(arg.name), arg.description, arg.defaultValue)
 		}

command_test.go

@@ -464,6 +464,7 @@ func TestHelp(t *testing.T) {
 				cli.OverrideArgs([]string{"--help"}),
 				cli.RequiredArg("src", "The file to copy"),                  // This one is required
 				cli.OptionalArg("dest", "Destination to copy to", "./dest"), // This one is optional
+				cli.OptionalArg("other", "Something else", ""),              // This is optional but default is empty
 				cli.Run(func(cmd *cli.Command, args []string) error { return nil }),
 			},
 			wantErr: false,

testdata/snapshots/TestHelp/with_named_arguments.snap.txt

@@ -1,10 +1,11 @@
 A placeholder for something cool
 
-Usage: test [OPTIONS] SRC [DEST] 
+Usage: test [OPTIONS] SRC [DEST] [OTHER] 
 
 Arguments:
-  src   The file to copy [required]
-  dest  Destination to copy to [default ./dest]
+  src    The file to copy [required]
+  dest   Destination to copy to [default ./dest]
+  other  Something else [default ""]
 
 Options:
   -h  --help     bool  Show help for test