Fix - being a word character for selections (#17171)

Co-Authored-By: Mikayla <mikayla@zed.dev>
Co-Authored-By: Nate <nate@zed.dev>

Closes #15606
Closes #13515

Release Notes:

- Fixes `-` being considered a word character for selections in some
languages

Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Nate <nate@zed.dev>

crates/vim/src/test.rs

@@ -305,6 +305,25 @@ async fn test_word_characters(cx: &mut gpui::TestAppContext) {
     )
 }
 
+#[gpui::test]
+async fn test_kebab_case(cx: &mut gpui::TestAppContext) {
+    let mut cx = VimTestContext::new_html(cx).await;
+    cx.set_state(
+        indoc! { r#"
+            <div><a class="bg-rˇed"></a></div>
+            "#},
+        Mode::Normal,
+    );
+    cx.simulate_keystrokes("v i w");
+    cx.assert_state(
+        indoc! { r#"
+        <div><a class="bg-«redˇ»"></a></div>
+        "#
+        },
+        Mode::Visual,
+    )
+}
+
 #[gpui::test]
 async fn test_join_lines(cx: &mut gpui::TestAppContext) {
     let mut cx = NeovimBackedTestContext::new(cx).await;