X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/e2aa03e6b71436e1c9207b01777baa16b7a00ea5..023225ef40b23d888353e34d95790ddf1cc79458:/config.def.h

diff --git a/config.def.h b/config.def.h
index fd09d72..b41747f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -65,6 +65,21 @@ static int bellvolume = 0;
 /* default TERM value */
 static char termname[] = "st-256color";
 
+/*
+ * spaces per tab
+ *
+ * When you are changing this value, don't forget to adapt the »it« value in
+ * the st.info and appropriately install the st.info in the environment where
+ * you use this st version.
+ *
+ *	it#$tabspaces,
+ *
+ * Secondly make sure your kernel is not expanding tabs. When running `stty
+ * -a` »tab0« should appear. You can tell the terminal to not expand tabs by
+ *  running following command:
+ *
+ *	stty tabs
+ */
 static unsigned int tabspaces = 8;
 
 /* Terminal colors (16 first used in escape sequence) */
@@ -303,6 +318,7 @@ static Key key[] = {
 	{ XK_Delete,        XK_ANY_MOD,     "\033[P",       -1,    0,    0},
 	{ XK_Delete,        XK_ANY_MOD,     "\033[3~",      +1,    0,    0},
 	{ XK_BackSpace,     XK_NO_MOD,      "\177",          0,    0,    0},
+	{ XK_BackSpace,     Mod1Mask,       "\033\177",      0,    0,    0},
 	{ XK_Home,          ShiftMask,      "\033[2J",       0,   -1,    0},
 	{ XK_Home,          ShiftMask,      "\033[1;2H",     0,   +1,    0},
 	{ XK_Home,          XK_ANY_MOD,     "\033[H",        0,   -1,    0},
@@ -417,3 +433,12 @@ static uint selmasks[] = {
 	[SEL_RECTANGULAR] = Mod1Mask,
 };
 
+/*
+ * Printable characters in ASCII, used to estimate the advance width
+ * of single wide characters.
+ */
+static char ascii_printable[] =
+	" !\"#$%&'()*+,-./0123456789:;<=>?"
+	"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
+	"`abcdefghijklmnopqrstuvwxyz{|}~";
+