diff --git a/HISTORY b/HISTORY
index 2bf08514..9abd54ee 100644
--- a/HISTORY
+++ b/HISTORY
@@ -2864,3 +2864,5 @@ Video Disk Recorder Revision History
   CA ids to be added to the channel definitions (thanks to Wayne Keer for reporting
   this one, and Marcel Wiesweg for fixing it).
 - Fixed handling colors in cDvbSpuPalette::yuv2rgb() (thanks to Marco Schlüßler).
+- Made some functions of cFont virtual to allow implementing dummy fonts for the
+  'curses' skin.
diff --git a/font.c b/font.c
index 9a5b31e3..bd6a3b11 100644
--- a/font.c
+++ b/font.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: font.c 1.7 2004/05/16 10:50:59 kls Exp $
+ * $Id: font.c 1.8 2004/05/31 14:09:00 kls Exp $
  */
 
 #include "config.h"
@@ -54,9 +54,13 @@ cFont::cFont(void *Data)
 
 void cFont::SetData(void *Data)
 {
-  height = ((tCharData *)Data)->height;
-  for (int i = 0; i < NUMCHARS; i++)
-      data[i] = (tCharData *)&((tPixelData *)Data)[(i < 32 ? 0 : i - 32) * (height + 2)];
+  if (Data) {
+     height = ((tCharData *)Data)->height;
+     for (int i = 0; i < NUMCHARS; i++)
+         data[i] = (tCharData *)&((tPixelData *)Data)[(i < 32 ? 0 : i - 32) * (height + 2)];
+     }
+  else
+     height = 0;
 }
 
 int cFont::Width(const char *s) const
diff --git a/font.h b/font.h
index 3803960b..36aab9dc 100644
--- a/font.h
+++ b/font.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: font.h 1.7 2004/05/16 10:49:44 kls Exp $
+ * $Id: font.h 1.8 2004/05/31 14:09:00 kls Exp $
  */
 
 #ifndef __FONT_H
@@ -43,15 +43,15 @@ private:
 public:
   cFont(void *Data);
   void SetData(void *Data);
-  int Width(unsigned char c) const { return data[c]->width; }
+  virtual int Width(unsigned char c) const { return data[c]->width; }
       ///< Returns the width of the given character.
-  int Width(const char *s) const;
+  virtual int Width(const char *s) const;
       ///< Returns the width of the given string.
-  int Height(unsigned char c) const { return data[c]->height; }
+  virtual int Height(unsigned char c) const { return data[c]->height; }
       ///< Returns the height of the given character.
-  int Height(const char *s) const;
+  virtual int Height(const char *s) const;
       ///< Returns the height of the given string.
-  int Height(void) const { return height; }
+  virtual int Height(void) const { return height; }
       ///< Returns the height of this font (all characters have the same height).
   const tCharData *CharData(unsigned char c) const { return data[c]; }
   static bool SetCode(const char *Code);
diff --git a/osd.h b/osd.h
index c942acc0..de0db694 100644
--- a/osd.h
+++ b/osd.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: osd.h 1.42 2004/05/28 15:25:58 kls Exp $
+ * $Id: osd.h 1.43 2004/05/31 14:09:00 kls Exp $
  */
 
 #ifndef __OSD_H
@@ -290,7 +290,7 @@ public:
        ///< -1..-8  draws the inverted part of the given quadrant(s)
        ///< If Quadrants is not 0, the coordinates are those of the actual area, not
        ///< the full circle!
-  void DrawSlope(int x1, int y1, int x2, int y2, tColor Color, int Type);
+  virtual void DrawSlope(int x1, int y1, int x2, int y2, tColor Color, int Type);
        ///< Draws a "slope" into the rectangle defined by the upper left (x1, y1) and
        ///< lower right (x2, y2) corners with the given Color. Type controls the
        ///< direction of the slope and which side of it will be drawn:
diff --git a/skinclassic.c b/skinclassic.c
index cc32f9f0..9dd90942 100644
--- a/skinclassic.c
+++ b/skinclassic.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: skinclassic.c 1.6 2004/05/29 13:29:00 kls Exp $
+ * $Id: skinclassic.c 1.7 2004/05/31 14:09:00 kls Exp $
  */
 
 #include "skinclassic.h"
@@ -71,7 +71,7 @@ THEME_CLR(Theme, clrReplayProgressCurrent,  clrRed);
 
 // --- cSkinClassicDisplayChannel --------------------------------------------
 
-class cSkinClassicDisplayChannel : public cSkinDisplayChannel{
+class cSkinClassicDisplayChannel : public cSkinDisplayChannel {
 private:
   cOsd *osd;
   int lineHeight;
diff --git a/skinsttng.c b/skinsttng.c
index b1027cb3..ec7cac73 100644
--- a/skinsttng.c
+++ b/skinsttng.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: skinsttng.c 1.4 2004/05/29 13:14:09 kls Exp $
+ * $Id: skinsttng.c 1.5 2004/05/31 14:09:00 kls Exp $
  */
 
 // Star Trek: The Next Generation® is a registered trademark of Paramount Pictures
@@ -116,7 +116,7 @@ THEME_CLR(Theme, clrReplayProgressCurrent,  clrRed);
 
 // --- cSkinSTTNGDisplayChannel ----------------------------------------------
 
-class cSkinSTTNGDisplayChannel : public cSkinDisplayChannel{
+class cSkinSTTNGDisplayChannel : public cSkinDisplayChannel {
 private:
   cOsd *osd;
   int x0, x1, x2, x3, x4, x5, x6, x7;