Sony BDP-S280 - Manual (Page 84)

Bison
Parser generator tool. Opera uses Bison output in
ECMAscript + CSS parsers, i.e. the Bison tool itself is
not included in Opera's object code, but only used for
code generation. The generated code is not covered by
the Bison license but by the same license as the Opera
source code
No acknowledgement requirements.
Bison License: http://www.gnu.org/software/bison/
manual/html_mono/bison.html#Top
The Bison license is not applicable to the generated
code, see:
http://www.gnu.org/software/bison/manual/
html_mono/bison.html#Conditions
Dtoa
David Gay's binary/decimal conversion code (dtoa and
strtod)
Acknowledgement requirements:
Permission to use, copy, modify, and distribute this
software for any purpose without fee is hereby granted,
provided that this entire notice is included in all copies
of any software:
"The author of this software is David M. Gay.
Copyright (c) 1991, 2000, 2001 by Lucent
Technologies.
Permission to use, copy, modify, and distribute this
software for any purpose without fee is hereby granted,
provided that this entire notice is included in all copies
of any software which is or includes a copy or
modification of this software and in all copies of the
supporting documentation for such software.
THIS SOFTWARE IS BEING PROVIDED "AS IS",
WITHOUT ANY EXPRESS OR IMPLIED
WARRANTY. IN PARTICULAR, NEITHER THE
AUTHOR NOR LUCENT MAKES ANY
REPRESENTATION OR WARRANTY OF ANY
KIND CONCERNING THE MERCHANTABILITY
OF THIS SOFTWARE OR ITS FITNESS FOR ANY
PARTICULAR PURPOSE.
License: http://netlib2.cs.utk.edu/fp/dtoa.c
Doug Lea's malloc (dlmalloc)
written by Doug Lea
ftp://g.oswego.edu/pub/misc/malloc.c