काशिका वृत्ति (आचार्य वामन एवं जयादित्य - अष्टाध्यायी सूत्र-वृत्ति सम्पूर्ण सान्वय सटीक)

? Look at the letter: it is "च्चे" or "त्तु"? Wait, compare "च्च" in "पुँश्चली" (line 6): "श्च" has श + च. Compare "च्च" - does it look like च्च? Yes, it has a horizontal line and a loop: च्च! Wait, but is there an 'e' matra on it? There is a slanting stroke above: च्चे! Wait, could it be "द्विसकारकनिर्देशाच्च"? Wait, look at the next word: "तु"! Why would Kashika say: "द्विसकारकनिर्देशात्तु पूर्वस्मादेव सूत्रात्..." Wait! Kashika text on 8.3.6: Let's check standard Kashika: "द्विसकारकनिर्देशात्तु पूर्वस्मादेव सूत्रात् स इत्यनुवर्तते ।" Wait, why is there an extra syllable? Ah! Look at the image: "का" "र" "क" "नि" "र्द्दे" "श" "त्ते" "तु"? No, wait: Could it be: "कारकनिद्देशात्ते तु"? Wait, look at "नि": न + इ. Then: र्द्दे - र् + द् + द + े! Then: श (sha) with ा (aa): शा. Then: त् + त with ु: त्तु? Wait, look above it: there is a