This > 91100:commit a1f9a6f1abc5dc278fbe43b25d9d7c547665f1c6 > 91101-Author: Matthias Felleisen <matth...@racket-lang.org> > 91102-Date: Tue May 19 22:23:17 2009 +0000 > 91103- > 91104- added hack to allow some comments in LP > 91105-
looks like Eli submitted something in my name :-) I just don't use the word 'hack' especially not like that. ((My hunch is that Eli demoed it to me, I asked about it, and we fixed it all in my tree. But this could be incorrect.)) On Apr 23, 2012, at 5:54 PM, Robby Findler wrote: > I see that commit a1f9a6f1 seems to have been done by you, Matthias, > and is related to this issue. Does that job any memories? > > Robby > > On Sun, Apr 22, 2012 at 2:36 PM, Matthias Felleisen > <matth...@ccs.neu.edu> wrote: >> >> I haven't used /lp myself. I am stuck here -- Matthias >> >> >> >> On Apr 22, 2012, at 12:25 AM, Deren Dohoda wrote: >> >>> Hi Matthias, >>> >>> I cannot seem to get it to work. I can get scribble to be happy, but >>> not the scribble/lp file. >>> >>> First try: (somewhere in the middle of the file) >>> @(begin >>> #reader scribble/comment-reader >>> (chunk <hs-from-xs> >>> (define hs ; (xi+1) - xi >>> (map - (rest xs) (drop-right xs 1))))) >>> Second try: >>> @chunk[<hs-from-xs> >>> #reader scribble/comment-reader >>> (define hs ; (xi+1) - xi >>> (map - (rest xs) (drop-right xs 1)))] >>> >>> Both can be scribbled with the comment when included with (lp-include >>> ...), but doesn't run when one runs the file itself. When the file is >>> run, this error appears: "bad syntax (multiple expressions after >>> identifier) in: (define hs (code:comment ..." The only place I can >>> find code:comment defined is in >>> "...Racket/collects/scribble/lp/lang/lang.rkt": >>> (provide code:comment) >>> (define-syntax (code:comment stx) >>> (if (eq? (syntax-local-context) 'expression) >>> (syntax (void)) >>> (syntax (define (f x) x)))) >>> >>> It looks like it was supposed to strip the comment when being run. >>> "...Racket/collects/scribble/comment-reader.rkt" does have >>> >>> (define (do-comment port recur) >>> (let loop () >>> (when (equal? #\; (peek-char port)) >>> (read-char port) >>> (loop))) >>> (when (equal? #\space (peek-char port)) >>> (read-char port)) >>> `(code:comment >>> (unsyntax ... >>> >>> So it seems like this is where code:comment is coming from, but for >>> some reason the code:comments rule from lang.rkt isn't seeing it. >>> >>> Deren >>> >>> On Sat, Apr 21, 2012 at 9:07 PM, Matthias Felleisen >>> <matth...@ccs.neu.edu> wrote: >>>> >>>> Do you use >>>> >>>> @;% >>>> @(begin >>>> #reader scribble/comment-reader >>>> (racketblock >>>> (place-image ROCKET X ... MTSCN) >>>> )) >>>> @;% >>>> >>>> to write down code blocks? It installs a reader that can cope with >>>> comments. >>>> >>>> >>>> >>>> On Apr 21, 2012, at 4:53 PM, Deren Dohoda wrote: >>>> >>>>> I have finally started learning scribble for use in literate >>>>> programming to break away from noweb for Racket. It's quite excellent, >>>>> I am glad to be making the switch. Thank everyone for their work. I >>>>> miss the math of latex but it isn't a dealbreaker. >>>>> >>>>> However, part of writing code is commenting the code for reminders of >>>>> why little bits are the way they are. The problem is that the scribble >>>>> HTML output has stripped all comments from the chunks. I have tried >>>>> digging down into scribble/lp but I must admit the guts are outside my >>>>> ability to understand. I'm guessing it is because the reader has >>>>> already stripped comments from the syntax by the time Racket gets to >>>>> the "chunk" syntax rule. The one bit that seems to indicate it strips >>>>> comments (code:comment) never seems to be used anywhere. I know that >>>>> there are code examples with comments in the Racket documentation. Is >>>>> there any way to keep code comments preserved in the scribbled view of >>>>> chunks? >>>>> >>>>> Thanks, >>>>> Deren >>>>> ____________________ >>>>> Racket Users list: >>>>> http://lists.racket-lang.org/users >>>> >> >> >> ____________________ >> Racket Users list: >> http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users