diff --git a/CMakeLists.txt b/CMakeLists.txt
index caa353b..903f11f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,8 +155,6 @@ add_executable(pdf2htmlEX
     src/HTMLRenderer/link.cc
     src/HTMLRenderer/state.cc
     src/HTMLRenderer/text.cc
-    src/HTMLRenderer/Preprocessor.h
-    src/HTMLRenderer/Preprocessor.cc
     src/BackgroundRenderer/BackgroundRenderer.h 
     src/BackgroundRenderer/SplashBackgroundRenderer.h 
     src/BackgroundRenderer/SplashBackgroundRenderer.cc 
@@ -164,8 +162,8 @@ add_executable(pdf2htmlEX
     src/BackgroundRenderer/CairoBackgroundRenderer.cc 
     src/util/ArgParser.h
     src/util/ArgParser.cc
-    src/util/base64.h
-    src/util/base64.cc
+    src/util/base64stream.h
+    src/util/base64stream.cc
     src/util/const.h
     src/util/const.cc
     src/util/ffw.h
@@ -177,7 +175,10 @@ add_executable(pdf2htmlEX
     src/util/namespace.h
     src/util/path.h
     src/util/path.cc
+    src/util/Preprocessor.h
+    src/util/Preprocessor.cc
     src/util/StringFormatter.h
+    src/util/StringFormatter.cc
     src/util/TmpFiles.h
     src/util/TmpFiles.cc
     src/util/unicode.h
diff --git a/ChangeLog b/ChangeLog
index 9f270de..8df58bf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 Latest v0.6
 
+* New parameter: --use-cropbox
+* Progress indicator
+* Create a glyph for ' ' when missing
+* Code refining
+
 v0.5
 2012.10.06
 
diff --git a/debian/changelog b/debian/changelog
index bf75d52..3e7697e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+pdf2htmlex (0.6-1~git201212111844rd76af-0ubuntu1) quantal; urgency=low
+
+  * Package for quantal
+
+ -- WANG Lu <coolwanglu@gmail.com>  Tue, 11 Dec 2012 18:44:44 +0800
+
 pdf2htmlex (0.6-1~git201210070052rcb9a8-0ubuntu1) precise; urgency=low
 
   * New version 
diff --git a/src/HTMLRenderer/HTMLRenderer.h b/src/HTMLRenderer/HTMLRenderer.h
index 4b035ac..22ce5f1 100644
--- a/src/HTMLRenderer/HTMLRenderer.h
+++ b/src/HTMLRenderer/HTMLRenderer.h
@@ -25,7 +25,7 @@
 #include <Annot.h>
 
 #include "Param.h"
-#include "Preprocessor.h"
+#include "util/Preprocessor.h"
 #include "util/const.h"
 #include "util/StringFormatter.h"
 #include "util/TmpFiles.h"
diff --git a/src/HTMLRenderer/export.cc b/src/HTMLRenderer/export.cc
index f7f6b18..cb893bb 100644
--- a/src/HTMLRenderer/export.cc
+++ b/src/HTMLRenderer/export.cc
@@ -12,7 +12,7 @@
 
 #include "HTMLRenderer.h"
 #include "util/namespace.h"
-#include "util/base64.h"
+#include "util/base64stream.h"
 #include "util/math.h"
 #include "util/misc.h"
 
diff --git a/src/HTMLRenderer/general.cc b/src/HTMLRenderer/general.cc
index 043bc93..165c684 100644
--- a/src/HTMLRenderer/general.cc
+++ b/src/HTMLRenderer/general.cc
@@ -18,7 +18,7 @@
 #include "BackgroundRenderer/BackgroundRenderer.h"
 #include "util/namespace.h"
 #include "util/ffw.h"
-#include "util/base64.h"
+#include "util/base64stream.h"
 #include "util/math.h"
 #include "util/path.h"
 
diff --git a/src/HTMLRenderer/Preprocessor.cc b/src/util/Preprocessor.cc
similarity index 100%
rename from src/HTMLRenderer/Preprocessor.cc
rename to src/util/Preprocessor.cc
diff --git a/src/HTMLRenderer/Preprocessor.h b/src/util/Preprocessor.h
similarity index 100%
rename from src/HTMLRenderer/Preprocessor.h
rename to src/util/Preprocessor.h
diff --git a/src/util/StringFormatter.cc b/src/util/StringFormatter.cc
new file mode 100644
index 0000000..0b183ac
--- /dev/null
+++ b/src/util/StringFormatter.cc
@@ -0,0 +1,28 @@
+#include <cstdarg>
+
+#include "StringFormatter.h"
+
+namespace pdf2htmlEX {
+
+StringFormatter::GuardedPointer StringFormatter::operator () (const char * format, ...) 
+{
+    assert((buf_cnt == 0) && "StringFormatter: buffer is reused!");
+
+    va_list vlist;
+    va_start(vlist, format);
+    int l = vsnprintf(&buf.front(), buf.capacity(), format, vlist);
+    va_end(vlist);
+    if(l >= (int)buf.capacity()) 
+    {
+        buf.reserve(std::max<long>((long)(l+1), (long)buf.capacity() * 2));
+        va_start(vlist, format);
+        l = vsnprintf(&buf.front(), buf.capacity(), format, vlist);
+        va_end(vlist);
+    }
+    assert(l >= 0); // we should fail when vsnprintf fail
+    assert(l < (int)buf.capacity());
+    return GuardedPointer(this);
+}
+
+} //namespace pdf2htmlEX
+
diff --git a/src/util/StringFormatter.h b/src/util/StringFormatter.h
index 96e0370..048a30f 100644
--- a/src/util/StringFormatter.h
+++ b/src/util/StringFormatter.h
@@ -29,24 +29,8 @@ public:
      * Important:
      * there is only one buffer, so new strings will replace old ones
      */
-    GuardedPointer operator () (const char * format, ...) {
-        assert((buf_cnt == 0) && "StringFormatter: buffer is reused!");
+    GuardedPointer operator () (const char * format, ...);
 
-        va_list vlist;
-        va_start(vlist, format);
-        int l = vsnprintf(&buf.front(), buf.capacity(), format, vlist);
-        va_end(vlist);
-        if(l >= (int)buf.capacity()) 
-        {
-            buf.reserve(std::max<long>((long)(l+1), (long)buf.capacity() * 2));
-            va_start(vlist, format);
-            l = vsnprintf(&buf.front(), buf.capacity(), format, vlist);
-            va_end(vlist);
-        }
-        assert(l >= 0); // we should fail when vsnprintf fail
-        assert(l < (int)buf.capacity());
-        return GuardedPointer(this);
-    }
 private:
     friend class GuardedPointer;
     std::vector<char> buf;
diff --git a/src/util/base64.cc b/src/util/base64stream.cc
similarity index 97%
rename from src/util/base64.cc
rename to src/util/base64stream.cc
index e5da7e3..7df00fe 100644
--- a/src/util/base64.cc
+++ b/src/util/base64stream.cc
@@ -1,4 +1,4 @@
-#include "base64.h"
+#include "base64stream.h"
 
 namespace pdf2htmlEX {
 
diff --git a/src/util/base64.h b/src/util/base64stream.h
similarity index 87%
rename from src/util/base64.h
rename to src/util/base64stream.h
index 5bdb4fe..46955cf 100644
--- a/src/util/base64.h
+++ b/src/util/base64stream.h
@@ -5,8 +5,8 @@
  * 2012.11.29
  */
 
-#ifndef BASE64_H__
-#define BASE64_H__
+#ifndef BASE64STREAM_H__
+#define BASE64STREAM_H__
 
 #include <iostream>
 
@@ -30,4 +30,4 @@ std::ostream & operator << (std::ostream & out, base64stream & bf);
 std::ostream & operator << (std::ostream & out, base64stream && bf);
 
 } //namespace pdf2htmlEX
-#endif //BASE64_H__
+#endif //BASE64STREAM_H__