#include <termios.h>
#include <unistd.h>
#include <wchar.h>
+#include <wctype.h>
#include "st.h"
#include "win.h"
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (u != 0 && wcschr(worddelimiters, u) != NULL)
+#define ISDELIM(u) ((iswspace(u) || iswpunct(u)) && wcschr(extrawordchars, u) == NULL)
enum term_mode {
MODE_WRAP = 1 << 0,