in mbwidth(), if wcwidth() returns -1 for the character passed in, treat
the character as being one column wide instead of zero columns wide,
since there are display problems that crop up with the latter approach


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3102 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2 files changed