In the manuals page, GCC 4.9.2 paragraph, all the links for the GNAT User's Guide <https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gnat_ugn_unw/> appear to be broken https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gnat_ugn_unw/ https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gnat_ugn_unw.pdf etc. NIck nick@wholesum.net