$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Adobe Acrobat Reader on Gnu/Linux Distros

GNU/Linux Installing Adobe Reader Guide

Hi! The Post presents Adobe Reader Installation Guides on common GNU/Linux Desktops.

And Adobe Reader for Linux software is the trusted standard for reliably Viewing, Printing, Signing, and Commenting on PDF documents.

Moreover, Adobe Acrobat Reader is the only PDF viewer that can open and interact with all types of PDF content (including Forms and Multimedia) on Linux.

Finally, if you prefer a More Recent Release then See instead: How to Install the Latest Adobe Acrobat Reader DC for Windows on Linux Guide.

Install Adobe Reader for GNU/Linux Distributions - Featured

GNU/Linux Adobe Acrobat Reader Installation Guide