21. 报告指出，1997 年，国家对 120 种教科书进行了分析，发现其中含有性别歧视的内容（第 81 段）。请说明这些教科书是否已经修改，是否删除了有关性别的陈旧定型观念，并说明摩洛哥采取了哪些措施，确保学校的教科书与课程设置不再反映关于男女角色方面的陈旧定型观念。
21. The report states that in 1997, 120 school textbooks were analysed and found to contain sexist materials (para. 81). Please indicate whether such textbooks have been revised to eliminate gender stereotypes and what steps have been taken to ensure that school textbooks and curricula do not portray stereotyped roles for men and women.