BUG: (row) Index Name with to_html(header=False) is not displayed

[simonjayhawkins]

• closes (row) Index Name with to_html(header=False) is not displayed #23788
• xref (row) Index Name is not displayed with header=False master tracker #24546
• tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

[jreback]

an you add a whatsnew note (ok to add to an existing one if we already have something similar)

[codecov]

Codecov Report

Merging #24547 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #24547      +/-   ##
==========================================
+ Coverage   92.32%   92.33%   +<.01%     
==========================================
  Files         166      166              
  Lines       52454    52462       +8     
==========================================
+ Hits        48430    48439       +9     
+ Misses       4024     4023       -1

Flag	Coverage Δ
#multiple	90.75% <100%> (ø)	⬆️
#single	43.01% <0%> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/io/formats/html.py	99.03% <100%> (+0.35%)	⬆️

---

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[codecov]

Codecov Report

Merging #24547 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #24547      +/-   ##
==========================================
+ Coverage   92.32%   92.33%   +<.01%     
==========================================
  Files         166      166              
  Lines       52454    52463       +9     
==========================================
+ Hits        48430    48440      +10     
+ Misses       4024     4023       -1

Flag	Coverage Δ
#multiple	90.75% <100%> (ø)	⬆️
#single	43% <0%> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/io/formats/html.py	99.03% <100%> (+0.35%)	⬆️
pandas/plotting/_core.py	83.76% <0%> (ø)	⬆️
pandas/plotting/_style.py	77.65% <0%> (+0.24%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e76c90e...c9ccd88. Read the comment docs.

[jreback]

thanks @simonjayhawkins