KB-20201117-01
All versions.
If PDF file is PDF/A-2 or PDF/A-3 then veraPDF show error "complient document shall not contain a reference to .notdef glyph" at validating.
Space in text.
XFRX create custom font if PDF/A mode is enable. The first char is "space" with glyph index 0. Rule for PDF/A-2 or PDF/A-3 don´t allow glyph index 0, because it's index for not defined glyph.
None.