On Mon, May 27, 2013 at 6:09 AM, Peter Bex <peter....@xs4all.nl> wrote:
> > For the backslash escapes inside strings, we already had everything > that R7RS dictates, except for two things: hex escapes and > \<intraline whitespace>*<newline><intraline whitespace>* syntax. > I think the former is useful, but it's rather tricky so I want to > take my time implementing it. The latter is silly and rather pointless, > but I've implemented it for completeness. > > Note that Chibi's behavior seems to be incorrect wrt to the spec. > The string: "\ > > > x" should be read like "\n\nx", I think. Chibi drops all the > whitespace and newlines, instead of just the whitespace surrounding > the *first* newline. I've made Chicken follow what I think is what > the spec says. > Yes, the spec is correct here, thanks. I'll fix Chibi and add an R7RS test case. [Agreed about it being silly and pointless.] There's also escaped strings without newlines like "\ foo". > It's unspecified what an implementation should do with that, like > any other escaped character (like, for example, "\p"). > This is intentionally unspecified - you can do what you like here. A pedantic impl would signal an error. -- Alex
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