Re: nested comments (please correct lexical scope) Paul Schlie 10 Jan 2005 21:13 UTC
Yup, missed that; guess all examples don't separate 'quote tokens from their target <s-exp>'s, simply because their association would be less clear otherwise (but not forbidden). > From: "Bradd W. Szonye" <xxxxxx@szonye.com> > Paul Schlie wrote: >> r5rs seems to imply in all examples, no <white-space> being allowed >> between the quote abbreviation and it's target <s-exp>; which makes >> sense to me as it visually and lexically binds the reader action with >> it's target <s-exp>, as opposed to allowing something like: > > According to R5RS 7.1.1, "Lexical Structure": > > <Intertoken space> may occur on either side of any token, but not > within a token. > > <token> --> ... | ' | ... > <atmosphere> --> <whitespace> | <comment> > <intertoken space> --> <atmosphere>* > > Since the quote mark is a token, intertoken space (i.e., whitespace and > comments) may appear on either side of it. > -- > Bradd W. Szonye > http://www.szonye.com/bradd >