通常，这些工具采用彩色编码来突出显示语法，并提供对文本或格式化的自动完成功能，来方便阅读。
Often, these tools have color coding for syntax highlighting and provide automatic completion of text or formatting to ease reading.
征候式阅读把历史文本看作学习的材料、掌握知识的工具，并非神圣不可变更的“教条”。
Symptomatic reading method takes history texts as learning materials and a tool of grasping knowledge, not unchangeable "dogmas".
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