This is a bug-fix release with minimal changes.

* texi2any
  . fix potential crash when @include is used inside a table
  . do not complain about presence of @anchor inside @item in a table
  . C source files that are generated from *.xs files are no no longer
    distributed, so xsubpp from Perl is needed to build XS modules.
  . fix bug that led to memory alignment error on SPARC
  . performance improvement and fixes for MinGW
  . test failures due to floating point rounding error fixed (observed
    on IBM POWER9 processor)

* info
  . crash when setting style to invalid value fixed
  . potential call of memcpy with null argument fixed