  // Custom Input Directive Comment (should everything else fail):
  DIRECTIVE="%BIB{?}"
    EXTENSION="*;.bib"
    PATH="%P;%p;%@('BIBINPUTS');"
  DIRECTIVE="%INC{?}"
    EXTENSION="*;.tex"
    PATH="%P;%p;%@('TEXINPUTS');"
  DIRECTIVE="%INPUT ""?"""
