Use the new string scanner everywhere

tools/cmd/ask/choices.go

@@ -3,7 +3,6 @@
 package ask
 
 import (
-	"bufio"
 	"fmt"
 	"io"
 	"kitty/tools/cli/markup"
@@ -323,7 +322,7 @@ func choices(o *Options) (response string, err error) {
 			return err
 		}
 		if message != "" {
-			scanner := bufio.NewScanner(strings.NewReader(message))
+			scanner := utils.NewLineScanner(message)
 			for scanner.Scan() {
 				msg_lines = draw_long_text(int(sz.WidthCells), scanner.Text(), msg_lines)
 			}

tools/cmd/completion/kitty.go

@@ -3,8 +3,6 @@
 package completion
 
 import (
-	"bufio"
-	"bytes"
 	"fmt"
 	"os/exec"
 	"strings"
@@ -71,7 +69,7 @@ func complete_themes(completions *cli.Completions, word string, arg_num int) {
 		out, err := exec.Command(kitty, "+runpy", "from kittens.themes.collection import *; print_theme_names()").Output()
 		if err == nil {
 			mg := completions.AddMatchGroup("Themes")
-			scanner := bufio.NewScanner(bytes.NewReader(out))
+			scanner := utils.NewLineScanner(utils.UnsafeBytesToString(out))
 			for scanner.Scan() {
 				theme_name := strings.TrimSpace(scanner.Text())
 				if theme_name != "" && strings.HasPrefix(theme_name, word) {

tools/cmd/hyperlinked_grep/main.go

@@ -3,7 +3,6 @@
 package hyperlinked_grep
 
 import (
-	"bufio"
 	"bytes"
 	"errors"
 	"fmt"
@@ -42,7 +41,7 @@ func get_options_for_rg() (expecting_args map[string]bool, alias_map map[string]
 		err = fmt.Errorf("Failed to execute rg: %w", err)
 		return
 	}
-	scanner := bufio.NewScanner(strings.NewReader(utils.UnsafeBytesToString(raw)))
+	scanner := utils.NewLineScanner(utils.UnsafeBytesToString(raw))
 	options_started := false
 	expecting_args = make(map[string]bool, 64)
 	alias_map = make(map[string]string, 52)