nvim commands to extract the email subjects

1 - format via html lsp

2 - cut out the junk

:g/<\/li>/d

same for <li>, <i> ..

3 - cut out the text of the inner a tag

record macro t:

va<d

put <a href into quickfix window

execute macro

:cdo execute "norm! @t" | update

4 - clean up </a>

:%s/<\/a>//g

5 - delete all empty lines

:g/^\s*$/d

6 - delete duplicates

:%!uniq