Comment by bityard
Gzipped PostScript documents were fairly popular during the 90's and are functionally identical to PDFs for 99% of use cases. (PDF is essentially PostScript, but with more features.)
Gzipped PostScript documents were fairly popular during the 90's and are functionally identical to PDFs for 99% of use cases. (PDF is essentially PostScript, but with more features.)
For Gzipped PostScript, code execution is its raison d'être. But it is at least possible to build a PDF viewer without code execution.