static void save_text_if_changed(const char *name, const char *new_value)
{
    /* a text value can't be change if the file is not loaded */
    /* returns NULL if the name is not found; otherwise nonzero */
    if (!g_hash_table_lookup(g_loaded_texts, name))
        return;

    const char *old_value = g_cd ? problem_data_get_content_or_NULL(g_cd, name) : "";
    if (!old_value)
        old_value = "";
    if (strcmp(new_value, old_value) != 0)
    {
        struct dump_dir *dd = wizard_open_directory_for_writing(g_dump_dir_name);
        if (dd)
            dd_save_text(dd, name, new_value);

//FIXME: else: what to do with still-unsaved data in the widget??
        dd_close(dd);
        problem_data_reload_from_dump_dir();
        update_gui_state_from_problem_data(/* don't update selected event */ 0);
    }
}
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