commit - 9d9e049eac3dacb2725f9d792f7cdd2230062313
commit + 8342036f983288046e03a34055c10fc6b6b11017
blob - 0e228a7a6b1132f41145a2e75571aaad361e7d10
blob + 1c998ec65f37f948475a39022c39f0899eff8452
--- st.c
+++ st.c
#define LEN(a) (sizeof(a) / sizeof(a)[0])
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f))
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)