Reference for Moed Katan 51:27
אמר רב חסדא
As soon as he reaches the Scopus he rends; and he rends for the holy Temple separately and for Jerusalem separately'? - This [seeming discrepancy] is not difficult [to explain]. The former ruling obtains where he first [of all] encounters the sit of the [ruined] Sanctuary<span class="x" onmousemove="('comment',' Without somehow having caught sight of the ruins of Jerusalem on entering the city, travelling in a covered van, for instance or entering at dusk. He then rends first for the ruined Sanctuary and enlarges the rent on beholding the ruins of Jerusalem.');"><sup>37</sup></span> and the latter, where he encounters Jerusalem [ruins] first [and afterwards the Sanctuary]. Our Rabbis taught: 'And all these [rents] they may tack together,<span class="x" onmousemove="('comment',' Soon after, the next day.');"><sup>38</sup></span> baste or pick up [the frayed edges]<span class="x" onmousemove="('comment',' With a herringbone or cross stitch.');"><sup>39</sup></span> or with a ladderstitch, but may not reunite the edges [by a sewn seam]'.<span class="x" onmousemove="('comment',' Sew up permanently.');"><sup>40</sup></span> Said R'Hisda: