changed Backspace/C-w behavior (now it only removes a single character)

dmenu.1

@@ -82,7 +82,7 @@ Quit without selecting an item. Returns
 on termination.
 .TP
 .B Backspace (Control\-h)
-Remove enough characters from the input field to change its filtering effect.
+Remove a character from the input field.
 .TP
 .B Control\-u
 Remove all characters from the input field.

main.c

@@ -289,12 +289,8 @@ kpress(XKeyEvent * e) {
 		}
 		break;
 	case XK_BackSpace:
-		if((i = len)) {
+		if(len) {
-			prev_nitem = nitem;
+			text[--len] = 0;
-			do {
-				text[--i] = 0;
-				match(text);
-			} while(i && nitem && prev_nitem == nitem);
 			match(text);
 		}
 		break;