Test:

[mla_gallery] post_parent=all post_mime_type=application/pdf size=icon link=file columns=4 orderby=date order=desc posts_per_page=40 mla_caption=”{+title+}” mla_markup=pdf-table mla_viewer=true posts_per_page=10 mla_output=”paginate_links,prev_next” [/mla_gallery]

[mla_gallery] post_parent=all post_mime_type=application/pdf size=icon link=file mla_target=”_blank” columns=4 orderby=date order=desc posts_per_page=40 mla_caption=”{+title+}” mla_markup=pdf-table mla_viewer=true posts_per_page=10 [/mla_gallery]