Merge "Don't break lines in the middle of a smiley or other graphic replacement."

                }

            }

            if (!easy) {

            // Ensure that none of the underlying characters are treated

            // as viable breakpoints, and that the entire run gets the

            // same bidi direction.

                }

            }

            if (!easy) {

                // XXX put override flags, etc. into chdirs

                dir = bidi(dir, chs, chdirs, n, false);