बौधायन श्रौतसूत्रम् (कृष्ण यजुर्वेद तैत्तिरीय शाखा - सम्पूर्ण प्रश्न एवं श्रौत-याग कल्प सटीक)

has no diagonal slash! It is just 'श' with 'य' attached? No, look at the bottom: there's no diagonal slash on the loop of श. But wait, is it 'श' or 'र'? It's 'श'! And next to it is 'य': 'श्य'? Wait, look at the word: "समपिव्रताञ्छ्शयध्वमास्तावं" or "समपिव्रताञ्छ्रयध्वमास्तावं"? Wait, look at the character between ञ्छ and य: Is it 'श'? Yes, it looks like 'श' with a virama, or 'छ्शय'! Wait, look: 'छ्' has a virama? No, 'ञ्छ' is a ligature, then 'श' with virama '्'? No, 'छ्श' ligature! Wait, in Caland's font, 'छ्श' is printed as 'छ्' followed by 'श': "च्छ्श" or "ञ्छ्श". Here we see: "ञ्छ्शयध्वमास्तावं" - wait, why would there be 'य'? Because "श्रयध्वम्" without 'र' is "शयध्वम्"? Wait, did the manuscript have "समपिव्रताञ्छ्रयध्वम्" or "समपिव्रताञ्छ्शयध्वम्"? Wait, in Rigveda/Taittiriya: "समपिव्रताञ्छ्रयध्वम्