in read_file(), improve autodetection of DOS and Mac format files to not
trigger on carriage returns in the middle of files, as found by Kjell
Braden


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4179 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2 files changed