tools such as diff, warning messages from the test suite itself,
etc.
+ __attribute__ is not longer disabled when __STRICT_ANSI__ is defined
+ (i.e., when -std is passed to GCC).
+
** Warnings during the build procedure have been eliminated.
** Many minor improvements have been made to the manual:
The Java parser no longer throws ArrayIndexOutOfBoundsException if
the first token leads to a syntax error. Some minor clean ups.
+** C++11 compatibility:
+
+ C and C++ parsers use nullptr instead of 0 when __cplusplus is
+ 201103L or higher.
+
* Changes in version 2.5 (2011-05-14):
** Grammar symbol names can now contain non-initial dashes: