🐛 FIX: List/table parsing ambiguity

[hukkin]

This is a port of the latest upstream changes. See the description in markdown-it/markdown-it#767

[codecov]

Codecov Report

Merging #149 (bc7a5b2) into master (9ecda04) will decrease coverage by 0.02%.
The diff coverage is 90.90%.

@@            Coverage Diff             @@
##           master     #149      +/-   ##
==========================================
- Coverage   96.34%   96.32%   -0.03%     
==========================================
  Files          72       72              
  Lines        3258     3266       +8     
==========================================
+ Hits         3139     3146       +7     
- Misses        119      120       +1     

Flag	Coverage Δ
pytests	96.32% <90.90%> (-0.03%)	⬇️

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Impacted Files	Coverage Δ
markdown_it/token.py	92.55% <ø> (ø)
markdown_it/rules_block/table.py	99.36% <90.90%> (-0.64%)	⬇️

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