[Edit 2026-08-26] — The original body of this post described the reproducer using a specific Japanese/Latin bilingual string (“変更管理and / or”) that was taken from a customer SmartArt document. That string and its surroun…...with the attached reproducer DOCX and its rendered baseline PDF...26.7.0 ), JDK 17+, saving a DOCX to PDF via default PdfSaveOptions...