Reference for Nedarim 111:7

אלא הא קשיא דתניא דרגש לא היה כופהו אלא זוקפו ואי אמרת ערסא דגדא הוא והתניא הכופה את מטתו לא מטתו בלבד הוא כופה אלא כל מטות שיש לו בתוך הבית הוא כופה הא לא קשיא

Said the Rabbis to 'Ulla: But we learnt, When he [sc. the High Priest] was given the mourner's meal,<span class="x" onmousemove="('comment',' The first meal eaten by mourners after the funeral was called the [H] meal of comfort or restoration, v. Sanh. 20a. ');">¹¹</span> all the people sat on the ground, whilst he reclined on the dargesh. Now, in normal times<span class="x" onmousemove="('comment',' Lit., 'the whole year'. ');">¹²</span> he does not sit upon it, yet on that day he does! Rabina demurred to this: Let it be analogous to meat and wine, of which at other times<span class="x" onmousemove="('comment',' Lit., 'the whole year'. ');">¹²</span> he partakes or not, as he pleases, whereas on that day we give them to him?<span class="x" onmousemove="('comment',' [On the wine drunk at the house of the mourner, v. Keth. 8a. There is however no law stated anywhere else that meat had to form part of the mourner's meal of comfort. The only reference in Sem. XIV speaks merely of a local custom (cf. Tur Yoreh De'ah, 282). It should however be noted that the parallel passages (Sanh. 20a and M.K. 57a) read: 'Let it be analogous to eating and drinking', and this is also the reading of MS.M. here.] ');">¹³</span> But this is the difficulty. for it was taught: The dargesh was not lowered<span class="x" onmousemove="('comment',' As is the rule with all other stools and beds in a house of mourning. ');">¹⁴</span> but stood up [on its legs]. Now if you say that it is the bed of the domestic genius, has it not been taught: He who lowers his bed, lowers not merely his own bed [as mourner], but all the beds of the house? — This is no difficulty:

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