ConcurrentlyPada waktu yang sama, researcherspara penyelidik atdi [[Xerox PARC]] hadtelah developedberjaya the firstmembangunkan [[pencetak laser printer]] andyang hadpertama recognizeddan themenyedari needkeperluan foruntuk amenggunakan standardcara meansyang ofstandard defininguntuk pagementakrifkan imagesimej halaman. InKemudian pada [[1975]]-[[1976|76]], asebuah teampasukan ledyang bydiketuai oleh [[Bob Sproull]] developedmembangunkan theformat Press format, which wasyang eventuallykemduian useddigunakan indalam thesistem [[Xerox Star]] systemuntuk tomenjalankan drivepencetak laser printers. ButBagaimanapun, Press,amerupakan [[format data]] formatdan ratherbukan thansebuah abahasa language,dan lackedjustera flexibilityitu, andtidak mempunyai kebolehubahan. [[Xerox PARC|PARC]] mountedkemudian thememulakan usaha [[InterPress]] effort to createuntuk amencipta successorpenggantinya.
In 1978 [[Evans and Sutherland]] asked [[John Warnock|Warnock]] to move from the [[San Francisco Bay Area]] to their main headquarters in [[Utah]], but he was not interested in moving. He then joined [[Xerox PARC]] to work with [[Martin Newell (computer graphics)|Martin Newell]]. They rewrote Design System to create [[JaM]] (for "John and Martin") which was used for [[Very-large-scale integration|VLSI]] design and the investigation of type and graphics printing. This work later evolved and expanded into the [[InterPress]] language.
