CID Font F2 or F4 might use a CMap (Character Map) that doesn’t align with the text’s actual encoding. For instance, a PDF might claim F3 uses UniCNS-UCS2-H (Traditional Chinese), but the content is actually Simplified Chinese. The result? Wrong characters or nothing at all.
/CIDInit /ProcSet findresource begin 12 dict begin begincmap /CIDSystemInfo << /Registry (Adobe) /Ordering (Japan1) /Supplement 6 >> def 1 begincodespacerange <0000> <FFFF> endcodespacerange 3 beginbfchar <8140> <1234> <8141> <1235> <8142> <1236> endbfchar endcmap CMapName currentdict /MyCMap defineresource pop end end cid font f1 f2 f3 f4 better
These aren't actually the "names" of the fonts. Instead, they are or subsets generated by software when a PDF is created. What are CIDFonts (F1, F2, F3, F4)? CID Font F2 or F4 might use a