diff -u /home/azhyd/xpdf-2.00/xpdf/TextOutputDev.cpp xpdf/TextOutputDev.cpp
--- /home/azhyd/xpdf-2.00/xpdf/TextOutputDev.cpp	Thu Nov 14 04:41:00 2002
+++ xpdf/TextOutputDev.cpp	Sat Nov 23 21:01:14 2002
@@ -46,26 +46,6 @@
 // TextBlock
 //------------------------------------------------------------------------
 
-class TextBlock {
-public:
-
-  TextBlock();
-  ~TextBlock();
-
-  double xMin, xMax;
-  double yMin, yMax;
-  TextString *strings;		// list of strings in the block
-  TextBlock *next;		// next block in line
-  TextBlock *xyNext;		// next block on xyBlocks list
-  Unicode *text;		// Unicode text of the block, including
-				//   spaces between strings
-  double *xRight;		// right-hand x coord of each char
-  int len;			// total number of Unicode characters
-  int convertedLen;		// total number of converted characters
-  int *col;			// starting column number for each
-				//   Unicode character
-};
-
 TextBlock::TextBlock() {
   strings = NULL;
   next = NULL;
@@ -90,17 +70,6 @@
 //------------------------------------------------------------------------
 // TextLine
 //------------------------------------------------------------------------
-
-class TextLine {
-public:
-
-  TextLine();
-  ~TextLine();
-
-  TextBlock *blocks;
-  TextLine *next;
-  double yMin, yMax;
-};
 
 TextLine::TextLine() {
   blocks = NULL;
diff -u /home/azhyd/xpdf-2.00/xpdf/TextOutputDev.h xpdf/TextOutputDev.h
--- /home/azhyd/xpdf-2.00/xpdf/TextOutputDev.h	Sun Nov  3 23:15:37 2002
+++ xpdf/TextOutputDev.h	Sat Nov 23 20:59:43 2002
@@ -24,6 +24,7 @@
 class GString;
 class TextBlock;
 class TextLine;
+class FilterPage;
 
 #undef TEXTOUT_DO_SYMBOLS
 
@@ -45,7 +46,7 @@
 
 
   // Destructor.
-  ~TextString();
+  virtual ~TextString();
 
   // Add a character to the string.
   void addChar(GfxState *state, double x, double y,
@@ -67,6 +68,47 @@
 
   friend class TextPage;
   friend class TextBlock;
+  friend class FilterPage;
+};
+
+
+//------------------------------------------------------------------------
+// TextBlock
+//------------------------------------------------------------------------
+
+class TextBlock {
+public:
+
+  TextBlock();
+  ~TextBlock();
+
+  double xMin, xMax;
+  double yMin, yMax;
+  TextString *strings;		// list of strings in the block
+  TextBlock *next;		// next block in line
+  TextBlock *xyNext;		// next block on xyBlocks list
+  Unicode *text;		// Unicode text of the block, including
+				//   spaces between strings
+  double *xRight;		// right-hand x coord of each char
+  int len;			// total number of Unicode characters
+  int convertedLen;		// total number of converted characters
+  int *col;			// starting column number for each
+				//   Unicode character
+};
+
+//------------------------------------------------------------------------
+// TextLine
+//------------------------------------------------------------------------
+
+class TextLine {
+public:
+
+  TextLine();
+  ~TextLine();
+
+  TextBlock *blocks;
+  TextLine *next;
+  double yMin, yMax;
 };
 
 //------------------------------------------------------------------------
@@ -80,14 +122,14 @@
   TextPage(GBool rawOrderA);
 
   // Destructor.
-  ~TextPage();
+  virtual ~TextPage();
 
   // Update the current font.
   void updateFont(GfxState *state);
 
 
   // Begin a new string.
-  void beginString(GfxState *state, double x0, double y0);
+  virtual void beginString(GfxState *state, double x0, double y0);
 
   // Add a character to the current string.
   void addChar(GfxState *state, double x, double y,
@@ -144,6 +186,7 @@
 
   int nTinyChars;		// number of "tiny" chars seen so far
 
+  friend class FilterPage;
 };
 
 //------------------------------------------------------------------------