Forcing a redraw of a line only when it contains a multicolumn character,
as that is the only known situation where things go wrong.  This spares
all regular text a significant slowdown.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5370 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2 files changed