Recently, I came across an issue of experience editor not working. After a few trouble shooting steps I found following lines in Showconfig.aspx
In a vanilla sitecore installation it should be like
So I read through the DAM configuration document and found following
SERVER CONFIGURATION
For assets to be rendered in the Sitecore editor, add the following snippet to the sample
rendering configuration file ( an .xslt file found on the Sitecore host server
\SiteCoreROOT\Website\xsl\sample rendering.xslt).
So added following lines to “sample rendering.xslt”
After adding this line my sample rendering.xslt looks like