This article explores the function and distribution of the maddah sign throughout the history of the Islamic manuscript tradition. It demonstrates that, to date, descriptions have not adequately described its use, and it shows that rather than being a part of Classical Arabic orthography, medieval sources clearly indicate that the maddah sign was specifically used to express an orthoepic feature of Classical Arabic prose, namely madd, the pronunciation of vowels as overlong.

中文翻译：

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Madd 是 Orthoepy 而不是 Orthography

本文探讨了maddah符号在整个伊斯兰手稿传统历史中的功能和分布。它表明，迄今为止，描述还没有充分描述其用途，并且表明中世纪的来源不是古典阿拉伯正字法的一部分，而是明确表明maddah符号专门用于表达古典阿拉伯散文的正字特征，即madd，元音的发音过长。