The Racket repository
b61f3f751c
Add `file-position*', which can return #f instead of raising an exception when a port's position is unknown. Change `make-input-port' and `make-output-port' to accept more kinds of values as the initial position. These changes make it possible to synchronize a port's position with a `port-commit-peeked' action. It's ugly, which I think reflect something broken about position tracking in the port protocol (which seems difficult to fix without breaking compaibility). |
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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) 2010-2012 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.