Eli Barzilay scripsit: > > The two papers are interesting demonstrations of what can be done > > with fully redefinable syntax > > The Scribble syntax is hooked on a readtable entry.
I think that's what I said: fully redefinable (lexical) syntax. > > [...] To make explicit what PLT leaves implicit here requires > > precisely "eval-when", which is always a dangerous thing because in > > all standards the environment of the compiler is underspecified. > > `eval-when' is dangerous because it can (and does) lead to sharing of > code (and values) between the different levels. This does not happen > with `#lang'. Can you explain that further? How does the compiler sandbox the reader extensions so that they can't damage it? -- Values of beeta will give rise to dom! John Cowan (5th/6th edition 'mv' said this if you tried http://www.ccil.org/~cowan to rename '.' or '..' entries; see [email protected] http://cm.bell-labs.com/cm/cs/who/dmr/odd.html) _______________________________________________ r6rs-discuss mailing list [email protected] http://lists.r6rs.org/cgi-bin/mailman/listinfo/r6rs-discuss
