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Mas’ala 4334المهذبShafi'ivol. 8, p. 29vol. 8, p. 29

والمستحب أن يستقبل الحجر الاسود لِمَا رَوَى ابْنُ عُمَرَ رَضِيَ اللَّهُ عَنْهُمَا أَنَّ النَّبِيَّ صلى الله عليه وسلم (استقبله ووضع شفتيه عليه)

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المجموع شرح المهذبal-Nawawi

its words on this mas’ala come with mas’ala 4333 before it

A number in a circle: a mas’ala the commentary adds, numbered through it. In bold: the text’s own words inside the commentary.