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Mas’ala 81المهذبShafi'ivol. 1, p. 158vol. 1, p. 158

فَإِنْ انْفَصَلَ عَنْ الْمَحَلِّ مُتَغَيِّرًا فَهُوَ نَجِسٌ لِقَوْلِهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْمَاءُ طَهُورٌ لَا ينجسه شئ إلَّا مَا غَيَّرَ طَعْمَهُ أَوْ رِيحَهُ

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Its commentaries

المجموع شرح المهذبal-Nawawi

its words on this mas’ala come with mas’ala 80 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.