Update list of HTML block elements + add source text to repo#702

Merged

robin850 merged 2 commits intovmg:masterfrom momijizukamori:block-elements

Mar 11, 2021

+88-35

Commits on Jan 24, 2021

Update list of HTML block elements + add source text to repo
Cocoa
committed

Commits on Mar 10, 2021

Add ins and del back to block list
Cocoa
committed