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

/ apostrophe / vertical tick mark?
In Devanagari typography of Bibliotheca Indica (Caland's Baudhayana Srauta Sutra), it is an inverted comma or vertical stroke: ' or ˈ.
Usually represented as ' or ˈ or ।. But here it's clearly a high tick '. Let's use ' (or ˈ). Standard single quote ' is very clean and readable.

Let's double check line 3:
"किंकरावताना³ धिष्ण्या ' बन्धुरं⁴ पत्नीशालग् ' रथो[पस्थो]"
Wait, look at "रथोपन्यो" vs "रथो[पस्थो]":
Let's look at the letters:
र, थ, ो, प, [ ? ], ो.
Is it definitely "रथो[पस्थो]"?
Wait, could it be "रथो[पस्थो]"?
Look at the cluster:
There is a 'प' and then 'स्थ' with 'ो'.
Let's compare 'स्थ' with 'स्थ' in "व्रात्यावस्थितस्य" in line 12:
In line 12: "व्रात्यावस्थितस्य" -> स्थि!
Look at the 'स्थ': it has a 'स्' loop on the left, connected to 'थ' on the right!
Now look at line 3:
प followed by: a 'स्' loop on the left, connected