Update copyright information and changelog

NEWS

@@ -2,6 +2,8 @@
 
 \section news0_99_beta20 Changes between 0.99.beta20 and 0.99.beta19
 
+ - fixed a bug from 2004 that caused PDF documentation generation to fail
+ - memory allocation functions are now more robust
  - numerous fixes for memory leaks and invalid memory accesses:
    - CVE-2021-30498
    - CVE-2021-30499

caca/caca.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2006—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2006—2021 Sam Hocevar <sam@hocevar.net>
  *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to

caca/caca_internals.h

@@ -1,7 +1,7 @@
 /*
- *  libcaca       Colour ASCII-Art library
- *  Copyright (c) 2002-2012 Sam Hocevar <sam@hocevar.net>
- *                All Rights Reserved
+ *  libcaca     Colour ASCII-Art library
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
+ *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it

caca/canvas.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to

caca/codec/export.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              2006 Jean-Yves Lamoureux <jylam@lnxscene.org>
  *              All Rights Reserved
  *

caca/codec/import.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to

caca/codec/text.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              2006 Jean-Yves Lamoureux <jylam@lnxscene.org>
  *              All Rights Reserved
  *

caca/driver/cocoa.m

@@ -1,8 +1,8 @@
 /*
- *  libcaca       Colour ASCII-Art library
- *  Copyright (c) 2006 Colin Delacroix <colin@zoy.org>
- *            (c) 2016 ignore@this
- *                All Rights Reserved
+ *  libcaca     Colour ASCII-Art library
+ *  Copyright © 2021 Sam Hocevar <sam@hocevar.net>
+ *              2006 Colin Delacroix <colin@zoy.org>
+ *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it

caca/driver/ncurses.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2016 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              2007 Ben Wiley Sittler <bsittler@gmail.com>
  *              All Rights Reserved
  *

caca/driver/slang.c

@@ -1,7 +1,7 @@
 /*
- *  libcaca       Colour ASCII-Art library
- *  Copyright (c) 2002-2012 Sam Hocevar <sam@hocevar.net>
- *                All Rights Reserved
+ *  libcaca     Colour ASCII-Art library
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
+ *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it

caca/driver/win32.c

@@ -1,8 +1,8 @@
 /*
- *  libcaca       Colour ASCII-Art library
- *  Copyright (c) 2002-2012 Sam Hocevar <sam@hocevar.net>
- *                2012 Bastian Märkisch <bmaerkisch@web.de>
- *                All Rights Reserved
+ *  libcaca     Colour ASCII-Art library
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
+ *              2012 Bastian Märkisch <bmaerkisch@web.de>
+ *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it

caca/font.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to

caca/transform.c

@@ -1,6 +1,6 @@
 /*
  *  libcaca     Colour ASCII-Art library
- *  Copyright © 2002—2018 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to

ruby/caca-canvas.c

@@ -1,6 +1,8 @@
 /*
  *  libcaca Ruby bindings
- *  Copyright (c) 2007-2014 Pascal Terjan <pterjan@linuxfr.org>
+ *  Copyright © 2007—2014 Pascal Terjan <pterjan@linuxfr.org>
+ *              2021 Sam Hocevar <sam@hocevar.net>
+ *              All Rights Reserved
  *
  *  This library is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it

src/cacaserver.c

@@ -1,8 +1,8 @@
 /*
- *  cacaserver    Colour ASCII-Art library
- *  Copyright (c) 2006 Jean-Yves Lamoureux <jylam@lnxscene.org>
- *                2006-2014 Sam Hocevar <sam@hocevar.net>
- *                All Rights Reserved
+ *  cacaserver  Colour ASCII-Art library
+ *  Copyright © 2006-2021 Sam Hocevar <sam@hocevar.net>
+ *              2006 Jean-Yves Lamoureux <jylam@lnxscene.org>
+ *              All Rights Reserved
  *
  *  This program is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it

src/common-image.c

@@ -1,6 +1,6 @@
 /*
  *  Imaging tools for cacaview and img2irc
- *  Copyright © 2002—2019 Sam Hocevar <sam@hocevar.net>
+ *  Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net>
  *              All Rights Reserved
  *
  *  This program is free software. It comes without any warranty, to

tools/makefont.c

@@ -1,7 +1,7 @@
 /*
- *  makefont      create libcaca font data
- *  Copyright (c) 2006-2012 Sam Hocevar <sam@hocevar.net>
- *                All Rights Reserved
+ *  makefont    create libcaca font data
+ *  Copyright © 2006—2021 Sam Hocevar <sam@hocevar.net>
+ *              All Rights Reserved
  *
  *  This program is free software. It comes without any warranty, to
  *  the extent permitted by applicable law. You can redistribute it