PDF rendered incorrectly: white gap lines between neighbouring rectangles
The attached PDF file (created with OpenOffice) contains adjacent same-colored rectangles (see https://bz.apache.org/ooo/show_bug.cgi?id=127828 for further information).
When opened in evince 3.28.2 on Ubuntu 18.04, thin white gap lines are visible between the rectangles.
Adobe Reader 9.5.5, okular 1.3.3 or xpdf 3.04 render the PDF correctly without gap lines.