tachiyomi/app/src/main/res/menu/chapter_selection.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <item
        android:id="@+id/action_download"
        android:icon="@drawable/ic_get_app_24dp"
        android:title="@string/action_download"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/action_delete"
        android:icon="@drawable/ic_delete_24dp"
        android:title="@string/action_delete"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/action_bookmark"
        android:icon="@drawable/ic_bookmark_border_24dp"
        android:title="@string/action_bookmark"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/action_remove_bookmark"
        android:icon="@drawable/ic_bookmark_24dp"
        android:title="@string/action_remove_bookmark"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/action_mark_as_read"
        android:icon="@drawable/ic_done_24dp"
        android:title="@string/action_mark_as_read"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/action_mark_as_unread"
        android:icon="@drawable/ic_done_outline_24dp"
        android:title="@string/action_mark_as_unread"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

    <item
        android:id="@+id/action_mark_previous_as_read"
        android:icon="@drawable/ic_done_prev_24dp"
        android:title="@string/action_mark_previous_as_read"
        app:iconTint="?attr/colorOnToolbar"
        app:showAsAction="always"
        tools:ignore="AlwaysShowAction" />

</menu>