The Racket repository
6fc70a04d8
coloring in the contour window to make only a single call to invalidate-bitmap-cache It was making two before, which could have pretty similar regions, leading to two repaints instead of just one. When pushing the down arrow near the bottom of the visible regions of the definitions text was causing those two calls to take about 30 milliseconds and after this change the one call seems to be about half that (but there is lots of variance so I'm only sure that it helped some, not how much) |
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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.