done
$tex -jobname "$jobname" "\\relax $preamble \\input $file"
-case ",$opts," in *,bibtex,*) bibtex "$jobname".aux;; esac
+case ",$opts," in *,bibtex,*) bibtex "$jobname".aux || :;; esac
$tex -jobname "$jobname" "\\relax $preamble \\input $file"
$tex -jobname "$jobname" "\\relax $preamble \\input $file"
case ",$opts," in