Multi-arg tMRCA

[hyanwong]

Fixes #2801 #2070 #2611

• Tests that fully cover new/changed functionality.
• Documentation including tutorial content if appropriate.
• Changelogs, if there are API changes.

[jeromekelleher]

@Mergifyio rebase

[mergify]

rebase

✅ Branch has been successfully rebased

[codecov]

Codecov Report

Merging #2808 (d59f6d3) into main (71f3e3f) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #2808   +/-   ##
=======================================
  Coverage   89.97%   89.97%           
=======================================
  Files          30       30           
  Lines       29319    29322    +3     
  Branches     5706     5707    +1     
=======================================
+ Hits        26380    26383    +3     
  Misses       1669     1669           
  Partials     1270     1270           

Flag	Coverage Δ
c-tests	86.49% <ø> (ø)
lwt-tests	80.78% <ø> (ø)
python-c-tests	67.81% <20.00%> (-0.02%)	⬇️
python-tests	99.02% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
python/tskit/trees.py	98.66% <100.00%> (+<0.01%)	⬆️

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 71f3e3f...d59f6d3. Read the comment docs.