diff -Nur qt-x11-opensource-src-4.2.2-bak/src/gui/text/qfontengine.cpp qt-x11-opensource-src-4.2.2/src/gui/text/qfontengine.cpp
--- qt-x11-opensource-src-4.2.2-bak/src/gui/text/qfontengine.cpp	2006-11-28 02:26:09.000000000 +0900
+++ qt-x11-opensource-src-4.2.2/src/gui/text/qfontengine.cpp	2006-12-15 21:06:56.000000000 +0900
@@ -615,7 +615,7 @@
                 Q_ASSERT(engine != 0);
                 if (engine->type() == Box)
                     continue;
-                glyphs[i].advance = glyphs[i].offset = QFixedPoint();
+                glyphs[glyph_pos].advance = glyphs[glyph_pos].offset = QFixedPoint();
                 int num = 2;
                 engine->stringToCMap(str + i, surrogate ? 2 : 1, glyphs + glyph_pos, &num, flags);
                 Q_ASSERT(num == 1); // surrogates only give 1 glyph
diff -Nur qt-x11-opensource-src-4.2.2-bak/src/gui/text/qtextlayout.cpp qt-x11-opensource-src-4.2.2/src/gui/text/qtextlayout.cpp
--- qt-x11-opensource-src-4.2.2-bak/src/gui/text/qtextlayout.cpp	2006-11-28 02:26:09.000000000 +0900
+++ qt-x11-opensource-src-4.2.2/src/gui/text/qtextlayout.cpp	2006-12-15 21:11:05.000000000 +0900
@@ -612,7 +612,7 @@
         return oldPos;
     oldPos++;
     if (mode == SkipCharacters) {
-        while (oldPos < len && !attributes[oldPos].charStop)
+        while (oldPos < len && !attributes[oldPos-1].charStop)
             oldPos++;
     } else {
         while (oldPos < len && attributes[oldPos].whiteSpace)
@@ -640,7 +640,7 @@
         return 0;
     oldPos--;
     if (mode == SkipCharacters) {
-        while (oldPos && !attributes[oldPos].charStop)
+        while (oldPos && !attributes[oldPos-1].charStop)
             oldPos--;
     } else {
         while (oldPos && attributes[oldPos].whiteSpace)
@@ -674,7 +674,9 @@
     const QCharAttributes *attributes = d->attributes();
     if (!attributes || pos < 0 || pos > (int)d->layoutData->string.length())
         return false;
-    return attributes[pos].charStop;
+    if (pos == 0)
+	return true;
+    return attributes[pos - 1].charStop;
 }