> Here is the gdb backtrace. Thanks. It's completely useless, of course, because I've forgotten to tell you to compile groff with debugging informations.
> Do I need to change something to generate it? Please compile groff like this: ./configure CFLAGS="-g -O0" CXXFLAGS="-g -O0" LDFLAGS="-g" make and redo the backtrace. Werner