That was just too easy. Let me see if I can come up with a hard question... :-)
On Wed, Jun 29, 2011 at 10:59 AM, Matthew Flatt <[email protected]> wrote: > Ah --- to flatten at the decode level, use `splice': > > @(require scribble/decode) > > @(define (only-edition v . text) > (splice > (if (equal? (edition) v) > text > '()))) > > > At Wed, 29 Jun 2011 10:54:50 -0400, "Todd O'Bryan" wrote: >> Here's a non-working example: >> --------- >> #lang scribble/base >> >> @(define edition (make-parameter "default")) >> >> @(edition "teacher") >> >> @(define (itemlist* . args) >> (apply itemlist (filter item? args))) >> >> @(define (only-edition v text) >> (when (equal? (edition) v) >> text)) >> >> @title{Example} >> >> @section{This is a section} >> >> And it appears in all versions. >> >> @only-edition["teacher"]{ >> @section{This is another section} >> >> And it should only appear in the teacher edition. >> } >> ----- >> >> As is, it says @only-edition expects 2 arguments and gets too many. If >> you put a dot in front of text, it says it's not valid (something >> about a pre-part). If you change text in the body to (values text) it >> says that the context expects a single value and got 4. >> >> Basically I need to be able to consume and output (or not) an >> arbitrary sequence of Scribble. >> >> Todd >> On Wed, Jun 29, 2011 at 9:54 AM, Matthew Flatt <[email protected]> wrote: >> > At Wed, 29 Jun 2011 09:47:16 -0400, "Todd O'Bryan" wrote: >> >> Any thoughts on the second problem--how to unwrap a (list el1 el2 el3 >> >> ...) so that Scribble interprets it as el1 el2 el3 ... ? >> > >> > I'm not sure I understand. Can you give me an example of the problem? >> > >> > > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
