Update included.md

[ljhwang]

More than usual editing to improve clarity and lessen wordiness.

Please feel free to edit.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (30ae879) 93.55% compared to head (83c092c) 93.40%.
Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #590      +/-   ##
==========================================
- Coverage   93.55%   93.40%   -0.16%     
==========================================
  Files          92       92              
  Lines        6346     6349       +3     
==========================================
- Hits         5937     5930       -7     
- Misses        409      419      +10     

see 4 files with indirect coverage changes

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[github-actions]

Benchmark	Main	Feature	Difference (99.9% CI)
Slab interpolation simple none	0.967 ± 0.004 (s=498)	0.967 ± 0.004 (s=435)	-0.1% .. +0.1%
Slab interpolation curved simple none	0.971 ± 0.005 (s=444)	0.970 ± 0.004 (s=486)	-0.2% .. +0.0%
Spherical slab interpolation simple none	1.070 ± 0.006 (s=417)	1.070 ± 0.007 (s=427)	-0.1% .. +0.2%
Slab interpolation simple curved CMS	1.013 ± 0.004 (s=475)	1.012 ± 0.004 (s=417)	-0.2% .. +0.0%
Spherical slab interpolation simple CMS	1.331 ± 0.008 (s=340)	1.332 ± 0.008 (s=338)	-0.1% .. +0.2%
Spherical fault interpolation simple none	1.076 ± 0.007 (s=412)	1.076 ± 0.007 (s=427)	-0.2% .. +0.1%
Cartesian min max surface	2.167 ± 0.023 (s=194)	2.167 ± 0.020 (s=224)	-0.3% .. +0.3%
Spherical min max surface	6.911 ± 0.026 (s=71)	6.923 ± 0.033 (s=62)	-0.1% .. +0.4%

[gassmoeller]

Two suggestions for improvements. Good otherwise.