Next set of improvements

[RobH123]

This change is 

[codecov]

Codecov Report

Merging #65 (5a8adcc) into master (475c116) will decrease coverage by 0.54%.
The diff coverage is 22.52%.

@@            Coverage Diff             @@
##           master      #65      +/-   ##
==========================================
- Coverage   46.50%   45.95%   -0.55%     
==========================================
  Files          21       21              
  Lines        2630     2681      +51     
  Branches      837      848      +11     
==========================================
+ Hits         1223     1232       +9     
- Misses        884      915      +31     
- Partials      523      534      +11     

Impacted Files	Coverage Δ
src/core/annotation-row-check.js	2.55% <0.00%> (ø)
src/core/field-link-check.js	0.00% <0.00%> (ø)
src/core/getApi.js	10.71% <0.00%> (ø)
src/core/manifest-text-check.js	5.33% <0.00%> (-3.18%)	⬇️
src/core/tn-links-check.js	52.74% <0.00%> (ø)
src/core/markdown-text-check.js	74.72% <26.66%> (-8.82%)	⬇️
src/core/plain-text-check.js	58.76% <50.00%> (ø)
src/core/field-text-check.js	56.08% <53.57%> (+0.17%)	⬆️
src/core/markdown-file-contents-check.js	91.83% <100.00%> (ø)
src/core/text-handling-functions.js	92.85% <100.00%> (+0.26%)	⬆️
... and 2 more

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[mandolyte]

Reviewed 44 of 44 files at r2.
Reviewable status: complete! all files reviewed, all discussions resolved