This version :2:0 is a better test case than :1:1 :

#lang racket/base
(require (planet neil/html-template:2:=0))
(html-template (hr (@ (clear "all") (id "foo"))))


Neil Van Dyke wrote at 07/26/2012 05:33 PM:
Definitely looks like a Racket bug (or really broken hardware/OS)...

If I start DrRacket 5.2.900.1-20120725 and load up the below file, the first few clicks on the Run button give the "ill-formed code error", and then, after trying the Run button for 10+ seconds, suddenly Run starts working.

#lang racket/base
(require (planet neil/html-template:1:=1))
(html-template (hr (@ (clear "all") (id "foo"))))

If I quit DrRacket and start it back up, the problem is reproducible.

Problem with background optimizing of some kind?

That's all I can spend on this right now; hopefully other people can reproduce based on this info.

Neil V.

Neil Van Dyke wrote at 07/26/2012 05:18 PM:
Anyone know offhand why this error with 5.3 pre-release from yesterday?

UNKNOWN: : read (compiled): ill-formed code [./../src/validate.c:1573]
  context...:
/usr/local/racket-5.2.900.1-20120725/lib/racket/collects/racket/private/map.rkt:53:19: loop /home/user/.racket/planet/300/5.2.900.1/cache/neil/html-template.plt/1/1/html-template.rkt:103:0: %html-template:transform /home/user/.racket/planet/300/5.2.900.1/cache/neil/html-template.plt/1/1/html-template.rkt:523:0

I built Racket from source. 32-bit x86 on Debian Stable. I don't think there are any old versions of code in "compiled" directories being picked up, but I might have missed some, but I'd expect get an error message about the version mismatch. PLaneT "html-template:1:1" is currently a bit messy with syntax objects and phases, and might be doing something questionable that 5.2.1 permitted. This works fine with Racket 5.2.1.

Unfortunately, I don't have time to debug at this moment. I'm posting now because I understand that a release is close, and I don't know how likely it is that this is a Racket bug.

Neil V.

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