fix: count hyphen as punctuation

CHANGELOG.md

@@ -1,10 +1,16 @@
 Unreleased
 ==========
-- feat: add `.` command to repeat the last change (dot-repeat)
+
+- fix: count hyphen as punctuation
 
 Released
 --------
 
+0.11.5 - 2026-07-18
+===================
+
+- feat: add `.` command to repeat the last change (dot-repeat)
+
 0.11.4 - 2026-07-18
 ===================
 - feat: add bindings for delete word and delete big word @acerv

src/actions/motion.rs

@@ -474,7 +474,8 @@ pub(crate) enum CharacterClass {
 
 impl From<&char> for CharacterClass {
     fn from(value: &char) -> Self {
-        if value.is_ascii_alphanumeric() {
+        // Underscore counts as a word character (matching Vim's `iskeyword`),
+        if value.is_ascii_alphanumeric() || *value == '_' {
             return Self::Alphanumeric;
         }
         if value.is_ascii_punctuation() {

src/actions/select.rs

@@ -527,6 +527,32 @@ mod tests {
         assert_eq!(state.mode, EditorMode::Normal);
     }
 
+    #[test]
+    fn test_select_inner_word_includes_underscores() {
+        // Underscore is a word character, so `viw` on the `B` of `BY` selects
+        // the whole identifier (matching Vim/nvim).
+        let mut state = EditorState::new(Lines::from("ORDER_BY_FIELD"));
+        state.cursor = Index2::new(0, 6);
+
+        SelectInnerWord.execute(&mut state);
+
+        let want = Selection::new(Index2::new(0, 0), Index2::new(0, 13));
+        assert_eq!(state.selection.unwrap(), want);
+    }
+
+    #[test]
+    fn test_select_inner_word_stops_at_hyphen() {
+        // A hyphen is punctuation, so `viw` on the `B` of `BY` selects only
+        // `BY` (matching Vim/nvim).
+        let mut state = EditorState::new(Lines::from("ORDER-BY"));
+        state.cursor = Index2::new(0, 6);
+
+        SelectInnerWord.execute(&mut state);
+
+        let want = Selection::new(Index2::new(0, 6), Index2::new(0, 7));
+        assert_eq!(state.selection.unwrap(), want);
+    }
+
     #[test]
     fn test_select_inner_big_word() {
         let mut state = EditorState::new(Lines::from("foo.bar baz"));