Hi! I was reading the draft of the style guide in the file [plt]/pkgs/racket-pkgs/racket-doc/scribblings/style/textual.scrbl (link: http://git.racket-lang.org/plt/blob/b2ebb0a28bf8136e75cd98316c22fe54c30eacb2:/pkgs/racket-pkgs/racket-doc/scribblings/style/textual.scrbl )
In the lines 388 - 348, there is a list of special characters that mark by convention special kind of symbols. In my opinion, "#:" doesn't belong to that list, or at least it needs a special remark. For example, "?" marks predicates, but "one?" is a normal symbol and nothing in the language forces or assumes that it's a predicate. In particular "(define one? 5)" is a legal Racket instruction, in spite it is of extremely bad style. But "#:" is different. It creates a special kind of data. If I understand correctly at the kernel level the keyword don't have a special representation. But at the Racket level there is a reader extension for #: and write/print/display show the keywords with #: . And many of the constructs of the language treat the keywords in a special way, for example lambda, apply, ... Gustavo _________________________ Racket Developers list: http://lists.racket-lang.org/dev
