Deserialize multi-line blockquotes on the FE
The problem
As part of the effort to preserve unchanged Markdown in the Content Editor, we should support multi-line blockquote syntax in the client-side parser. This will allow us to preserve this content type in the Content Editor.
The solution
Implement a Micromark plugin to parse multi-line blockquotes, and a remark plugin that maps a Micromark output to a Remark AST.
Edited by Enrique Alcántara