Slipshow_communicationSourceA plugin which updates an HTML element with the content of the code mirror editor
val slipshow_plugin :
?slipshow_js:Slipshow.Asset.t ->
?frontmatter:Slipshow.Frontmatter.resolved Slipshow.Frontmatter.t ->
?read_file:Slipshow.file_reader ->
Brr.El.t ->
Code_mirror.Extension.t