fix: sometimes FTR returns cryptic text. I hope that this is a random behavior from source site, which could be stopped with a user_agent. Reload of the grab helps too.
fix: embedded YT videos results in a question if user wants to load external content. As of scripting, it could not be embedded in FTR/wallabag. With wallabagger browser plugin the video will be included in the grab, if option 'Retrieve content from the browser' is active.