Installing
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2. Installing XSaneNow to Install XSane for Deepin 
 Simply play:sudo apt install xsane sane Authenticate with the User Admin Pass. 
 If Got “User is Not in Sudoers file” then see: How to Enable sudo.
Contents
$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }
Now to Install XSane for Deepin
Simply play:
sudo apt install xsane sane
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.