From 1bc05714b527737d671d065a2df5643c48a38e7a Mon Sep 17 00:00:00 2001
From: Pasi Kallinen <paxed@alt.org>
Date: Wed, 6 Jan 2016 11:50:07 +0200
Subject: [PATCH] Fix bz66: Count number cannot be backspaced

... or at least partially fix it - ^H does now backspace.
I can't be bothered to dive into the (n)curses raw-mode stuff.
---
 src/cmd.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/cmd.c b/src/cmd.c
index 191ab71f3..dc1ae79df 100644
--- a/src/cmd.c
+++ b/src/cmd.c
@@ -3874,6 +3874,7 @@ parse()
 #endif
     register int foo;
     boolean prezero = FALSE;
+    boolean backspaced = FALSE;
 
     multi = 0;
     context.move = 1;
@@ -3885,13 +3886,23 @@ parse()
     if (!Cmd.num_pad || (foo = readchar()) == 'n')
         for (;;) {
             foo = readchar();
-            if (foo >= '0' && foo <= '9') {
-                multi = 10 * multi + foo - '0';
+            if ((foo >= '0' && foo <= '9') || (foo == '\b')) {
+                if (foo >= '0' && foo <= '9')
+                    multi = 10 * multi + foo - '0';
+                else {
+                    multi = multi / 10;
+                    backspaced = TRUE;
+                }
                 if (multi < 0 || multi >= LARGEST_INT)
                     multi = LARGEST_INT;
-                if (multi > 9) {
+                if (multi > 9 || backspaced) {
                     clear_nhwindow(WIN_MESSAGE);
-                    Sprintf(in_line, "Count: %d", multi);
+                    if (backspaced && !multi)
+                        Sprintf(in_line, "Count: ");
+                    else {
+                        Sprintf(in_line, "Count: %d", multi);
+                        backspaced = FALSE;
+                    }
                     pline1(in_line);
                     mark_synch();
                 }
-- 
2.40.0