[pdftex] Why was TIF support removed?

[Jeffrey McArthur]

>pdftex does not support TIFF any more. ...

Tiff files worked.  Why was it taken out?
Including Tiffs has proven a lot more reliable than including PDFs.
Particularly including PDFs generated by propritary software.

    Jeffrey M\kern-.05em\raise.5ex\hbox{\b c}\kern-.05emArthur
    a.k.a. Jeffrey McArthur          ATLIS Publishing Services