[3]: *** [Makefile:1306: Calendar.sdl] Error 1
dtdocbook2sdl fatal error:
    Error processing book.out.16102.sdl by ../../../programs/dthelp/parser/pass2/parser/dthelp_hta>
make[3]: *** [Makefile:1306: AppBuilder.sdl] Error 1
make[3]: Leaving directory '/usr/ports/aur/cdesktopenv-git/work/src/cdesktopenv-code/cde/doc/en_US>
make[2]: *** [Makefile:437: all-recursive] Error 1
make[2]: Leaving directory '/usr/ports/aur/cdesktopenv-git/work/src/cdesktopenv-code/cde/doc/en_US>
make[1]: *** [Makefile:444: all-recursive] Error 1
make[1]: Leaving directory '/usr/ports/aur/cdesktopenv-git/work/src/cdesktopenv-code/cde/doc'
make: *** [Makefile:584: all-recursive] Error 1