dmr's reference manual¹ used it, see section 9.10. Matt Dillon's DICE would have been popular on the Amiga then, and it looks like it also favored parens. The

dmr's reference manual¹ used it, see section 9.10. Matt Dillon's DICE would have been popular on the Amiga then, and it looks like it also favored parens. The latest tarball of DICE² is pretty fun for a spelunking session, if you're feeling nostalgic. It makes for an interesting mix as it pulls in a few contemporaneous non-Dillon tools with varying styles. ¹ https://www.bell-labs.com/usr/dmr/www/cman.pdf https://www.bell-labs.com/usr/dmr/www/cman.pdf ² http://apollo.backplane.com/FreeSrc/dice-1.15.tgz http://apollo.backplane.com/FreeSrc/dice-1.15.tgz