Add precision to TextRead/Write

[GDYendell]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.23%. Comparing base (6edc548) to head (4c3ad7d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #166      +/-   ##
==========================================
+ Coverage   91.20%   91.23%   +0.03%     
==========================================
  Files          23       23              
  Lines        1523     1529       +6     
==========================================
+ Hits         1389     1395       +6     
  Misses        134      134              

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