grid_reader_cursor_next_word_end
void grid_reader_cursor_next_word_end(struct grid_reader *, const char *);
grid_reader_cursor_next_word_end(&gr, separators);
grid_reader_cursor_next_word_end(&gr, separators);
grid_reader_cursor_next_word_end(&gr, separators);
grid_reader_cursor_next_word_end(&gr, separators);