SubatomicThemes is right, however the impression I got is the reviewers search for ‘echo $’ and soft reject if anything comes up 
I eventually used wp_kses on any HTML output to be safe, seems to have done the trick.
SubatomicThemes is right, however the impression I got is the reviewers search for ‘echo $’ and soft reject if anything comes up 
I eventually used wp_kses on any HTML output to be safe, seems to have done the trick.