[coldcode]

I wrote a postscript library in late 1988 for our application. Learning Postscript enough to support everything our app could generate (charts) involved boxes and boxes of paper, since the only way to debug anything was to print debugging info on paper. Sometimes the bugs made nothing print, which was hard to figure out! Still it was a fun language, and I could learn a lot by looking at Illustrator's file format (which was basically Postscript, and I think eventually became PDF). I was even able to export everything we drew into Illustrator format, which was a popular feature.

Postscript is probably the most unusual language I ever worked with (APL comes close) but I enjoyed working with it.