From ce7896070cc0adbf973e1714fba6a729c1df1411 Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Fri, 18 May 2012 08:53:26 +0200
Subject: [PATCH] Remove autocorrection of 0/i in addresses in UI

---
 src/qt/bitcoinaddressvalidator.cpp | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/src/qt/bitcoinaddressvalidator.cpp b/src/qt/bitcoinaddressvalidator.cpp
index c804ad0d5..d2b93e70f 100644
--- a/src/qt/bitcoinaddressvalidator.cpp
+++ b/src/qt/bitcoinaddressvalidator.cpp
@@ -25,17 +25,11 @@ QValidator::State BitcoinAddressValidator::validate(QString &input, int &pos) co
     {
         bool removeChar = false;
         QChar ch = input.at(idx);
-        // Transform characters that are visually close
+        // Corrections made are very conservative on purpose, to avoid
+        // users unexpectedly getting away with typos that would normally
+        // be detected, and thus sending to the wrong address.
         switch(ch.unicode())
         {
-        case 'l':
-        case 'I':
-            input[idx] = QChar('1');
-            break;
-        case '0':
-        case 'O':
-            input[idx] = QChar('o');
-            break;
         // Qt categorizes these as "Other_Format" not "Separator_Space"
         case 0x200B: // ZERO WIDTH SPACE
         case 0xFEFF: // ZERO WIDTH NO-BREAK SPACE