Support moving images (video) in the "html4" writer.
tree1ff0394f178282a809b428b52f7c214e6614fc87
-rw-r--r-- 3105 .flake8
-rw-r--r-- 1662 .gitattributes
-rw-r--r-- 363 .gitignore
-rw-r--r-- 616 .pre-commit-config.yaml
drwxr-xr-x - docutils
drwxr-xr-x - sandbox
drwxr-xr-x - web