The Racket repository
57deb86f7b
I believe that this can go wrong in the case that you edit a buffer and switch tabs before drracket fully finishes responding to the edited buffer (due to a queue-callback that postpones some of the response to editing the buffer) for online expansion. At least, this is how I guess that the error below happened: send: target is not an object: #f for method: get-view === context === /Users/robby/git/exp/plt/collects/racket/private/class-internal.rkt:4602:0: obj-error /Users/robby/git/exp/plt/collects/drracket/private/module-language.rkt:1485:6: get-box method in .../module-language.rkt:1151:4 /Users/robby/git/exp/plt/collects/drracket/private/module-language.rkt:1397:6: invalidate-online-error-ranges method in .../module-language.rkt:1151:4 /Users/robby/git/exp/plt/collects/drracket/private/module-language.rkt:1387:6: clear-old-error method in .../module-language.rkt:1151:4 /Users/robby/git/exp/plt/collects/drracket/private/module-language.rkt:1177:6: buffer-modified method in .../module-language.rkt:1151:4 /Users/robby/git/exp/plt/collects/mred/private/wx/common/timer.rkt:34:38 /Users/robby/git/exp/plt/collects/mred/private/wx/common/queue.rkt:432:6 /Users/robby/git/exp/plt/collects/mred/private/wx/common/queue.rkt:472:32 /Users/robby/git/exp/plt/collects/mred/private/wx/common/queue.rkt:618:3 |
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| README | ||
The Racket programming language =============================== Important executables: * DrRacket: Racket's integrated development environment (start here!). * Racket: the main command-line entry point for running racket programs and scripts. * GRacket: the GUI-mode Racket executable. * raco: Racket's command-line toolset. More Information ---------------- Racket comes with extensive documentation: use DrRacket's `Help' menu, or run `raco docs'. Also, visit us at http://racket-lang.org/ for more Racket resources. Instructions for building Racket from source are in src/README. License ------- Racket Copyright (c) 2010-2011 PLT Scheme Inc. Racket is distributed under the GNU Lesser General Public License (LGPL). This means that you can link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify Racket; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular means that you must release the source code for the modified software. See doc/release-notes/COPYING.txt for more information.