Commit Graph

9 Commits

Author SHA1 Message Date
Mike Sperber
e5df901306 Better output for procedures that failed property checks.
svn: r16039
2009-09-17 13:05:12 +00:00
Mike Sperber
c26b3b8c6c Make the Stepper behavior on and/or configurable:
In the HtDP languages, initial subexpressions that have evaluated to
#t / #f remain in the residual term, whereas in the DMdA languages,
they do not.

svn: r16018
2009-09-15 17:32:21 +00:00
Mike Sperber
e6400281f1 Don't print #i prefix in Stepper for DMdA languages.
svn: r15999
2009-09-14 12:05:05 +00:00
Robby Findler
2c85b7a795 improved performance of the teaching languages
svn: r14394
2009-04-01 00:15:20 +00:00
Mike Sperber
5efef6aa90 Back out rev rev 14072.
This had broken printing of image snips in the REPL.

svn: r14346
2009-03-30 07:27:10 +00:00
Ryan Culpepper
cf87504e00 Fixed startup errors caused by tool dependencies (see PR 10125)
removed htdp-lang dependency on debugger
  removed deinprogramm dependency on stepper, debugger, and htdp-langs
  both still depend on test-engine tool, but only for execution
Probably apply to release branch, but needs review.

svn: r14119
2009-03-16 06:25:31 +00:00
Robby Findler
67c68ef05a always use write
svn: r14072
2009-03-12 14:18:16 +00:00
Robby Findler
53af4d6a9a moved tracing support from the htdp tool into drscheme proper
svn: r14054
2009-03-11 17:42:04 +00:00
Mike Sperber
018521cbc3 Merge from mike/dmda branch.
This adds the language levels, teachpacks, and documentation for the
textbook "Die Macht der Abstraktion".

svn: r14019
2009-03-09 07:51:09 +00:00