[1] [CITE[[[Adobe Font Metrics File Format Specification]] v4.1 - 5004.AFM_Spec.pdf]], [TIME[2021-02-18T01:31:12.000Z]], [TIME[2022-09-30T08:08:47.738Z]] <https://adobe-type-tools.github.io/font-tech-notes/pdfs/5004.AFM_Spec.pdf>