diff --git a/TransmitTextEdit.cpp b/TransmitTextEdit.cpp
index df1dee1..016e280 100644
--- a/TransmitTextEdit.cpp
+++ b/TransmitTextEdit.cpp
@@ -1,5 +1,6 @@
 #include "TransmitTextEdit.h"
 
+#include "commons.h"
 #include "varicode.h"
 
 #include <iterator>
@@ -244,12 +245,18 @@ void TransmitTextEdit::on_textContentsChanged(int /*pos*/, int rem, int add){
         return;
     }
 
+#if JS8_ALLOW_EXTENDED
+    QString normalized = text;
+#else
     QString normalized = text.normalized(QString::NormalizationForm_KD);
+#endif
 
     QString result;
     std::copy_if(normalized.begin(), normalized.end(), std::back_inserter(result), [](QChar& c) {
 #if JS8_ALLOW_UNICODE
         return (c == 10 || c == 0x1A || (c > 31 && c < 128)) || c.isPrint());
+#elif JS8_ALLOW_EXTENDED
+        return c.toLatin1() != 0 && (c == 10 || c == 0x1A || (c > 31 && c < 128) || Varicode::extendedChars().contains(c.toUpper()));
 #else
         return c.toLatin1() != 0 && (c == 10 || c == 0x1A || (c > 31 && c < 128));
 #endif
diff --git a/commons.h b/commons.h
index d8a8d01..1224119 100644
--- a/commons.h
+++ b/commons.h
@@ -11,6 +11,7 @@
 #define JS8_RING_BUFFER    1       // use a ring buffer instead of clearing the decode frames
 #define JS8_SINGLE_DECODE  0       // single submode decode per instantiation of the decoder
 #define JS8_DECODE_THREAD  1       // use a separate thread for decode process handling
+#define JS8_ALLOW_EXTENDED 1       // allow extended latin-1 capital charset
 
 #ifdef QT_DEBUG
 #define JS8_DEBUG_DECODE   1       // emit debug statements for the decode pipeline
diff --git a/jsc.cpp b/jsc.cpp
index fe86a12..7283f60 100644
--- a/jsc.cpp
+++ b/jsc.cpp
@@ -152,7 +152,8 @@ QString JSC::decompress(Codeword const& bitvec){
             break;
         }
 
-        auto word = QString(JSC::map[j].str);
+        // map is in latin1 format, not utf-8
+        auto word = QLatin1String(JSC::map[j].str);
 
         out.append(word);
         if(!separators.isEmpty() && separators.first() == start + k){
diff --git a/jsc.h b/jsc.h
index b46d005..09fd2c1 100644
--- a/jsc.h
+++ b/jsc.h
@@ -40,8 +40,8 @@ public:
     static const Tuple map[262144];
     static const Tuple list[262144];
 
-    static const quint32 prefixSize = 71;
-    static const Tuple prefix[71];
+    static const quint32 prefixSize = 103;
+    static const Tuple prefix[103];
 };
 
 #endif // JSC_H
diff --git a/jsc_list.cpp b/jsc_list.cpp
index 22400a4..524e1e4 100644
--- a/jsc_list.cpp
+++ b/jsc_list.cpp
@@ -61083,7 +61083,7 @@ const Tuple JSC::list[262144] = {
 	{"ROSIERE", 7, 190612},
 	{"ROSIER", 6, 168300},
 	{"ROSIE", 5, 49485},
-	{"ROSIDS", 6, 262143},
+    {"ROSIDS", 6, 262143},
 	{"ROSICRUCIAN", 11, 159215},
 	{"ROSHOLT", 7, 221740},
 	{"ROSHO", 5, 245639},
@@ -239508,38 +239508,38 @@ const Tuple JSC::list[262144] = {
 	{"BO94", 4, 10738},
 	{"BO93", 4, 10737},
 	{"BO92", 4, 10736},
-	{"BO91", 4, 10735},
-	{"BO90", 4, 10734},
-	{"BO89", 4, 10733},
-	{"BO88", 4, 10732},
-	{"BO87", 4, 10731},
-	{"BO86", 4, 10730},
-	{"BO85", 4, 10729},
-	{"BO84", 4, 10728},
-	{"BO83", 4, 10727},
-	{"BO82", 4, 10726},
-	{"BO81", 4, 10725},
-	{"BO80", 4, 10724},
-	{"BO79", 4, 10723},
-	{"BO78", 4, 10722},
-	{"BO77", 4, 10721},
-	{"BO76", 4, 10720},
-	{"BO75", 4, 10719},
-	{"BO74", 4, 10718},
-	{"BO73", 4, 10717},
-	{"BO72", 4, 10716},
-	{"BO71", 4, 10715},
-	{"BO70", 4, 10714},
-	{"BO69", 4, 10713},
-	{"BO68", 4, 10712},
-	{"BO67", 4, 10711},
-	{"BO66", 4, 10710},
-	{"BO65", 4, 10709},
-	{"BO64", 4, 10708},
-	{"BO63", 4, 10707},
-	{"BO62", 4, 10706},
-	{"BO61", 4, 10705},
-	{"BO60", 4, 10704},
+	{"\xde" /* Þ - "BO91" */, 1, 10735},
+	{"\xdd" /* Ý - "BO90" */, 1, 10734},
+	{"\xdc" /* Ü - "BO89" */, 1, 10733},
+	{"\xdb" /* Û - "BO88" */, 1, 10732},
+	{"\xda" /* Ú - "BO87" */, 1, 10731},
+	{"\xd9" /* Ù - "BO86" */, 1, 10730},
+	{"\xd8" /* Ø - "BO85" */, 1, 10729},
+	{"\xd6" /* Ö - "BO84" */, 1, 10728},
+	{"\xd5" /* Õ - "BO83" */, 1, 10727},
+	{"\xd4" /* Ô - "BO82" */, 1, 10726},
+	{"\xd3" /* Ó - "BO81" */, 1, 10725},
+	{"\xd2" /* Ò - "BO80" */, 1, 10724},
+	{"\xd1" /* Ñ - "BO79" */, 1, 10723},
+	{"\xd0" /* Ð - "BO78" */, 1, 10722},
+	{"\xcf" /* Ï - "BO77" */, 1, 10721},
+	{"\xce" /* Î - "BO76" */, 1, 10720},
+	{"\xcd" /* Í - "BO75" */, 1, 10719},
+	{"\xcc" /* Ì - "BO74" */, 1, 10718},
+	{"\xcb" /* Ë - "BO73" */, 1, 10717},
+	{"\xca" /* Ê - "BO72" */, 1, 10716},
+	{"\xc9" /* É - "BO71" */, 1, 10715},
+	{"\xc8" /* È - "BO70" */, 1, 10714},
+	{"\xc7" /* Ç - "BO69" */, 1, 10713},
+	{"\xc6" /* Æ - "BO68" */, 1, 10712},
+	{"\xc5" /* Å - "BO67" */, 1, 10711},
+	{"\xc4" /* Ä - "BO66" */, 1, 10710},
+	{"\xc3" /* Ã - "BO65" */, 1, 10709},
+	{"\xc2" /* Â - "BO64" */, 1, 10708},
+	{"\xc1" /* Á - "BO63" */, 1, 10707},
+	{"\xc0" /* À - "BO62" */, 1, 10706},
+	{"\xbf" /* ¿ - "BO61" */, 1, 10705},
+	{"\xa1" /* ¡ - "BO60" */, 1, 10704},
 	{"BO59", 4, 10703},
 	{"BO58", 4, 10702},
 	{"BO57", 4, 10701},
@@ -262167,7 +262167,7 @@ const Tuple JSC::list[262144] = {
     {"!", 1, 28},
 };
 
-const Tuple JSC::prefix[71] = {
+const Tuple JSC::prefix[103] = {
 	{"!", 1, 262143}, 
 	{"\"", 1, 262142}, 
 	{"#", 1, 262141}, 
@@ -262239,4 +262239,37 @@ const Tuple JSC::prefix[71] = {
 	{"|", 1, 2}, 
 	{"}", 1, 1}, 
 	{"~", 1, 0}, 
+
+    {"\xa1" /* ¡ */, 1, 239518},
+    {"\xbf" /* ¿ */, 1, 239517},
+    {"\xc0" /* À */, 1, 239516},
+    {"\xc1" /* Á */, 1, 239515},
+    {"\xc2" /* Â */, 1, 239514},
+    {"\xc3" /* Ã */, 1, 239513},
+    {"\xc4" /* Ä */, 1, 239512},
+    {"\xc5" /* Å */, 1, 239511},
+    {"\xc6" /* Æ */, 1, 239510},
+    {"\xc7" /* Ç */, 1, 239509},
+    {"\xc8" /* È */, 1, 239508},
+    {"\xc9" /* É */, 1, 239507},
+    {"\xca" /* Ê */, 1, 239506},
+    {"\xcb" /* Ë */, 1, 239505},
+    {"\xcc" /* Ì */, 1, 239504},
+    {"\xcd" /* Í */, 1, 239503},
+    {"\xce" /* Î */, 1, 239502},
+    {"\xcf" /* Ï */, 1, 239501},
+    {"\xd0" /* Ð */, 1, 239500},
+    {"\xd1" /* Ñ */, 1, 239499},
+    {"\xd2" /* Ò */, 1, 239498},
+    {"\xd3" /* Ó */, 1, 239497},
+    {"\xd4" /* Ô */, 1, 239496},
+    {"\xd5" /* Õ */, 1, 239495},
+    {"\xd6" /* Ö */, 1, 239494},
+    {"\xd8" /* Ø */, 1, 239493},
+    {"\xd9" /* Ù */, 1, 239492},
+    {"\xda" /* Ú */, 1, 239491},
+    {"\xdb" /* Û */, 1, 239490},
+    {"\xdc" /* Ü */, 1, 239489},
+    {"\xdd" /* Ý */, 1, 239488},
+    {"\xde" /* Þ */, 1, 239487},
 };
diff --git a/jsc_map.cpp b/jsc_map.cpp
index 56ea2e8..ad09898 100644
--- a/jsc_map.cpp
+++ b/jsc_map.cpp
@@ -10725,38 +10725,38 @@ const Tuple JSC::map[262144] = {
 	{"BO57", 4, 10701},
 	{"BO58", 4, 10702},
 	{"BO59", 4, 10703},
-	{"BO60", 4, 10704},
-	{"BO61", 4, 10705},
-	{"BO62", 4, 10706},
-	{"BO63", 4, 10707},
-	{"BO64", 4, 10708},
-	{"BO65", 4, 10709},
-	{"BO66", 4, 10710},
-	{"BO67", 4, 10711},
-	{"BO68", 4, 10712},
-	{"BO69", 4, 10713},
-	{"BO70", 4, 10714},
-	{"BO71", 4, 10715},
-	{"BO72", 4, 10716},
-	{"BO73", 4, 10717},
-	{"BO74", 4, 10718},
-	{"BO75", 4, 10719},
-	{"BO76", 4, 10720},
-	{"BO77", 4, 10721},
-	{"BO78", 4, 10722},
-	{"BO79", 4, 10723},
-	{"BO80", 4, 10724},
-	{"BO81", 4, 10725},
-	{"BO82", 4, 10726},
-	{"BO83", 4, 10727},
-	{"BO84", 4, 10728},
-	{"BO85", 4, 10729},
-	{"BO86", 4, 10730},
-	{"BO87", 4, 10731},
-	{"BO88", 4, 10732},
-	{"BO89", 4, 10733},
-	{"BO90", 4, 10734},
-	{"BO91", 4, 10735},
+	{"\xa1" /* ¡ - "BO60" */, 1, 10704},
+	{"\xbf" /* ¿ - "BO61" */, 1, 10705},
+	{"\xc0" /* À - "BO62" */, 1, 10706},
+	{"\xc1" /* Á - "BO63" */, 1, 10707},
+	{"\xc2" /* Â - "BO64" */, 1, 10708},
+	{"\xc3" /* Ã - "BO65" */, 1, 10709},
+	{"\xc4" /* Ä - "BO66" */, 1, 10710},
+	{"\xc5" /* Å - "BO67" */, 1, 10711},
+	{"\xc6" /* Æ - "BO68" */, 1, 10712},
+	{"\xc7" /* Ç - "BO69" */, 1, 10713},
+	{"\xc8" /* È - "BO70" */, 1, 10714},
+	{"\xc9" /* É - "BO71" */, 1, 10715},
+	{"\xca" /* Ê - "BO72" */, 1, 10716},
+	{"\xcb" /* Ë - "BO73" */, 1, 10717},
+	{"\xcc" /* Ì - "BO74" */, 1, 10718},
+	{"\xcd" /* Í - "BO75" */, 1, 10719},
+	{"\xce" /* Î - "BO76" */, 1, 10720},
+	{"\xcf" /* Ï - "BO77" */, 1, 10721},
+	{"\xd0" /* Ð - "BO78" */, 1, 10722},
+	{"\xd1" /* Ñ - "BO79" */, 1, 10723},
+	{"\xd2" /* Ò - "BO80" */, 1, 10724},
+	{"\xd3" /* Ó - "BO81" */, 1, 10725},
+	{"\xd4" /* Ô - "BO82" */, 1, 10726},
+	{"\xd5" /* Õ - "BO83" */, 1, 10727},
+	{"\xd6" /* Ö - "BO84" */, 1, 10728},
+	{"\xd8" /* Ø - "BO85" */, 1, 10729},
+	{"\xd9" /* Ù - "BO86" */, 1, 10730},
+	{"\xda" /* Ú - "BO87" */, 1, 10731},
+	{"\xdb" /* Û - "BO88" */, 1, 10732},
+	{"\xdc" /* Ü - "BO89" */, 1, 10733},
+	{"\xdd" /* Ý - "BO90" */, 1, 10734},
+	{"\xde" /* Þ - "BO91" */, 1, 10735},
 	{"BO92", 4, 10736},
 	{"BO93", 4, 10737},
 	{"BO94", 4, 10738},
@@ -262164,5 +262164,5 @@ const Tuple JSC::map[262144] = {
 	{"YANAI", 5, 262140},
 	{"YOGIBEAR", 8, 262141},
 	{"UWED", 4, 262142},
-	{"ROSIDS", 6, 262143},
+    {"ROSIDS", 1, 262143},
 };
diff --git a/varicode.cpp b/varicode.cpp
index b905967..2447260 100644
--- a/varicode.cpp
+++ b/varicode.cpp
@@ -335,6 +335,17 @@ int dbmTomwatts(int dbm){
     return iter.value();
 }
 
+QString Varicode::extendedChars(){
+    static QString c;
+    if(c.size() == 0){
+        for(int i = 0; i < JSC::prefixSize; i++){
+            if(JSC::prefix[i].size != 1){ continue; }
+            c.append(QLatin1String(JSC::prefix[i].str, 1));
+        }
+    }
+    return c;
+}
+
 QString Varicode::escape(const QString &text){
     static const int size = 6;
     QString escaped;
diff --git a/varicode.h b/varicode.h
index d9dedcd..99b6d1e 100644
--- a/varicode.h
+++ b/varicode.h
@@ -78,6 +78,8 @@ public:
 
     //Varicode();
 
+    static QString extendedChars();
+
     static QString escape(const QString &text);
     static QString unescape(const QString &text);