3da58b47f62f049bff686312ed851d966d438c0e
SDL_isxdigit() should only accept A-Fa-f, not A-Za-z (it shouldn't use SDL_isalpha()). SDL_ispunct() shouldn't accept spaces (it should use SDL_isgraph() instead).
Simple DirectMedia Layer (SDL) Version 2.0 --- https://www.libsdl.org/ Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. It is used by video playback software, emulators, and popular games including Valve's award winning catalog and many Humble Bundle games. More extensive documentation is available in the docs directory, starting with README.md Enjoy! Sam Lantinga (slouken@libsdl.org)
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