* src/main.cc (testLoop): Return 1 iff an error occured.
(main): Use testLoop's output as exit status.

Declare class SpotWrapper as a friend.
* src/SpotWrapper.h, src/SpotWrapper.cc: New files.
* src/Makefile.am (lbtt_translate_SOURCES): Add SpotWrapper.cc
and SpotWrapper.h.
* src/translate.cc (main): Add the --spot option, and build
a SpotWrapper of required.

* src/Alloc.h (__INT_TO_PTR): Redefine to work around glibc 2.3.
* doc/texinfo.tex: New upstream version.