Function do_navigate_command_and_param

src/navigate.rs:321–323

(mathml: Element, command: NavigationCommand, param: NavigationParam)

}

fn do_navigate_command_and_param(mathml: Element, command: NavigationCommand, param: NavigationParam) -> Result<String> {
    return do_navigate_command_string(mathml, navigation_command_string(command, param));
}

pub fn do_navigate_command_string(mathml: Element, nav_command: &'static str) -> Result<String> {   
    // first check to see if nav file has been changed -- don't bother checking in loop below