In response to your message I just fetched doc.dtx off ctan > 2. There's a typo on code line 395. It reads > |gdef|gtempa there is no occurence of |gdef|g but one of |gdef|@gtempa > 4. Last, and indeed least, the checksum is wrong. I got: * Checksum passed * This is using Package: doc 1999/03/25 v2.0h Standard LaTeX documentation package (FMi) which version do you have? > BTW, has ever a case in which the doc checksum facility correctly detected > that code was missing been recorded? I'm sure Robin can give more details, but that checksum dates from a time when files were usually transmitted by mail, and mail gateways had a habit of turning \ into % and { into space and other horrors that I now try to forget..... David (by the way, latex-l isn't the bug address)