Re: [racket-dev] [racket] Plea for neologism (was: Re: letoverlambda)

2010-11-24 Thread Robby Findler
Sorry to be being so abstruse. Here's the paper I'm talking about: http://repository.readscheme.org/ftp/papers/sw2002/kiselyov.pdf Robby _ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev

Re: [racket-dev] error in gr2

2010-11-24 Thread Matthew Flatt
I've fixed a bug that might have caused this error. If it's (still) repeatable, though, instructions to trigger the error would be much appreciated. At Wed, 17 Nov 2010 16:49:34 -0500, Matthias Felleisen wrote: > > > /Users/matthias/plt/collects/mred/private/wx/common/freeze.rkt:9:0 > internal-

Re: [racket-dev] [racket] Plea for neologism (was: Re: letoverlambda)

2010-11-24 Thread Robby Findler
No I meant a particular system. The one he used. On Wednesday, November 24, 2010, John Clements wrote: > (followups trimmed to dev; is that an acceptable strategy?) > > On Nov 24, 2010, at 12:44 PM, Robby Findler wrote: > >> On Wed, Nov 24, 2010 at 1:49 PM, John Clements >> wrote: On Wed, N

Re: [racket-dev] [racket] Plea for neologism

2010-11-24 Thread Matthias Felleisen
Is A[e_1 & e_2] = A[e_1] meta& A[e_2] compositional? How about A[e_1 & e_2]env = A[e_1]env meta& A[e_2]env or A[e_1 & e_2]env k = A[e_1]env (\x_1. A[e_2]env (\x_2. k (x_1 meta& x_2))) or A[e_1 & e_2]env k s = A[e_1]env (\x_1s_1. A[e_2]env (\x_2 s_2. k (x_1 meta& x_2) s_?) s_1

Re: [racket-dev] [racket] Plea for neologism (was: Re: letoverlambda)

2010-11-24 Thread John Clements
(followups trimmed to dev; is that an acceptable strategy?) On Nov 24, 2010, at 12:44 PM, Robby Findler wrote: > On Wed, Nov 24, 2010 at 1:49 PM, John Clements > wrote: >>> On Wed, Nov 24, 2010 at 11:05 AM, Robby Findler >>> wrote: On Wed, Nov 24, 2010 at 12:55 PM, Joe Marshall wrot

Re: [racket-dev] Adding alpha to color%

2010-11-24 Thread Noel Welsh
Thanks. If I get the time I'll take a crack at it. N. On Wed, Nov 24, 2010 at 5:44 PM, Matthew Flatt wrote: > I would like to add alpha to `color%', but I haven't gotten around to it. > _ For list-related administrative tasks: http://lists.rack

Re: [racket-dev] Adding alpha to color%

2010-11-24 Thread Matthew Flatt
I would like to add alpha to `color%', but I haven't gotten around to it. At Wed, 24 Nov 2010 17:28:33 +, Noel Welsh wrote: > Why was the alpha channel made a property of the dc, rather than (in > addition to) the color? For some use cases specifying alpha as part of > the colour is more conve

[racket-dev] Adding alpha to color%

2010-11-24 Thread Noel Welsh
Hi all, Why was the alpha channel made a property of the dc, rather than (in addition to) the color? For some use cases specifying alpha as part of the colour is more convenient, and Cairo supports both IIRC. (That is, you can specify alpha as part of a color or as part of the drawing process.) N

[racket-dev] Adding alpha to color%

2010-11-24 Thread Noel Welsh
Hi all, Why was the alpha channel made a property of the dc, rather than (in addition to) the color? For some use cases specifying alpha as part of the colour is more convenient, and Cairo supports both IIRC. (That is, you can specify alpha as part of a color or as part of the drawing process.) N