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sbcl/.quicklisp/dists/quicklisp/software/croatoan-20191227-git/README

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+croatoan is a set of bindings to the ncurses terminal library for
+Common Lisp.
+
+It is inspired by, but not derived from, cl-ncurses and cl-charms.
+
+Its main goal is to provide a higher-level, lispy/CLOSy interface,
+whereas the existing bindings clone the cryptic C API.
+
+As of now, the library is in an early, but hopefully usable stage. 
+Ncurses is old and huge and it will take a while to cover completely.
+
+The API is not yet stable.
+
+It is developed and tested on Ubuntu 16.04 x86_64 and SBCL 1.5.7.
+
+The only supported ncurses version is 6.x --with-abi-version=6.
+Version 5.9 mostly works, but I will focus new efforts on 6.x.
+
+Since many popular distributions ship ncurses --with-abi-version=5,
+for full compatibility (wide characters, 256 colors and extended
+mouse support), you will have to manually build ncurses 6.x.
+
+The documentation is currently provided by the commented examples.
+
+You are welcome to contribute and any form of help would be greatly
+appreciated.
+
+--
+
+Since ncurses is not thread-safe, all IO has to occur in the main
+thread of the REPL running in a terminal.
+
+This makes it difficult to interact with ncurses from the Emacs SLIME
+REPL which runs in its own thread.
+
+A workaround is to pass all ncurses IO to the main thread via a
+thread-safe queue. Basic support for this has been implemented.
+
+A tutorial on interacting with ncurses from swank/slime is available
+in docs/slime.md