Fix minifying strings-in-containers as if they were docstrings.

[BrianPugh]

Addresses #167

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.65%. Comparing base (307fc3c) to head (fb950f2).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #168      +/-   ##
==========================================
+ Coverage   70.19%   70.65%   +0.45%     
==========================================
  Files          39       39              
  Lines        1701     1707       +6     
  Branches      379      382       +3     
==========================================
+ Hits         1194     1206      +12     
+ Misses        418      413       -5     
+ Partials       89       88       -1     

Flag	Coverage Δ
unittests	70.41% <100.00%> (+0.28%)	⬆️

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