In the rendered content, the images are missing the username of the current user, needed to access the right dav folder. This seems to be because, right now, the RemoteURLParser and RemoteURLSerializer use the wiki reference to store/obtain the username, so that they don't require any dependency on other components to do their conversions. But, when the markdown is parsed in uniast, there is nothing to indicate that we are in a specific wiki (because we have not implemented a "wiki" concept for Nextcloud anywhere else). So we will probably need to discuss what direction we want to go from there
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