b6dd98ae89
possible to use old generated doc-* files as the source for new ones. Wrong -mdoc files would then be installed, and man(1) failed with the following diagnostics: mdoc error: end-macro (.em) respecification is not allowed. (#41) Should this have been `.Em ...'? Put helper stuff into `beforedepend' to cleanup old files. Makefile first infected in rev 1.15. Reported via: -current