τ instead of π

Attestations in Trismegistos Text irregularities

This text irregularity has been corrected by a modern editor 9 time(s) in Trismegistos Text irregularities;
   in 6 different contexts (before and after);
       following 4 different groups;
       preceding 5 different groups.

Less than 10 attestations. For a network of text irregularities based on co-occurrence in the same text, see here

Contexts of this text irregularity (τ instead of π)
Context	Frequency
after ∅ and before α	2	(all types of errors in this context)
after ∅ and before ε	2	(all types of errors in this context)
after ρ and before ο	2	(all types of errors in this context)
after ∅ and before ι	1	(all types of errors in this context)
after ε and before α	1	(all types of errors in this context)
after ο and before ω	1	(all types of errors in this context)

Graphemes preceding this text irregularity (τ instead of π)
Context	Frequency
after ∅	5	(all types of errors in this context)
after ρ	2	(all types of errors in this context)
after ε	1	(all types of errors in this context)
after ο	1	(all types of errors in this context)

Graphemes following this text irregularity (τ instead of π)
Context	Frequency
before α	3	(all types of errors in this context)
before ε	2	(all types of errors in this context)
before ο	2	(all types of errors in this context)
before ι	1	(all types of errors in this context)
before ω	1	(all types of errors in this context)