Start work on width testing kitten

embeds.go

@@ -1,5 +1,3 @@
-//go:build testing
-
 package kitty
 
 import (

tools/cli/wcswidth_kitten.go

@@ -0,0 +1,25 @@
+package cli
+
+import (
+	"fmt"
+)
+
+var _ = fmt.Print
+
+func main() (rc int, err error) {
+	return
+}
+
+func WcswidthKittenEntryPoint(root *Command) {
+	root.AddSubCommand(&Command{
+		Name:            "__width_test__",
+		Hidden:          true,
+		OnlyArgsAllowed: true,
+		Run: func(cmd *Command, args []string) (rc int, err error) {
+			if len(args) != 0 {
+				return 1, fmt.Errorf("Usage: __width_test__")
+			}
+			return main()
+		},
+	})
+}

tools/cmd/tool/main.go

@@ -122,6 +122,8 @@ func KittyToolEntryPoints(root *cli.Command) {
 	images.ConvertEntryPoint(root)
 	// __atexit__
 	atexit.EntryPoint(root)
+	// __width_test__
+	cli.WcswidthKittenEntryPoint(root)
 	// __generate_man_pages__
 	root.AddSubCommand(&cli.Command{
 		Name:            "__generate_man_pages__",