diff -r e6ddd1674102 src/fontcache.cpp
--- a/src/fontcache.cpp	Mon Nov 22 18:45:27 2010 +0000
+++ b/src/fontcache.cpp	Mon Nov 22 21:21:11 2010 +0100
@@ -1071,6 +1071,16 @@
 	return glyph->width;
 }
 
+bool MissingCharacter(FontSize size, WChar key){
+	FT_Face face = GetFontFace(size);
+
+	/* return false if no face loaded, or for our special characters */
+	if (face == NULL || (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END)) {
+		return false;
+	}
+	/* FT_Get_Char_Index return 0 when fails */
+	return FT_Get_Char_Index(face,key) == 0;
+}
 
 #endif /* WITH_FREETYPE */
 
diff -r e6ddd1674102 src/fontcache.h
--- a/src/fontcache.h	Mon Nov 22 18:45:27 2010 +0000
+++ b/src/fontcache.h	Mon Nov 22 21:21:11 2010 +0100
@@ -45,6 +45,7 @@
 void UninitFreeType();
 const Sprite *GetGlyph(FontSize size, uint32 key);
 uint GetGlyphWidth(FontSize size, uint32 key);
+bool MissingCharacter(FontSize size, uint32 key);
 
 /**
  * We would like to have a fallback font as the current one
@@ -81,6 +82,17 @@
 	return SpriteExists(sprite) ? GetSprite(sprite, ST_FONT)->width + (size != FS_NORMAL) : 0;
 }
 
+/**
+ * Check if the caracter is in the character given is in the charmap.
+ * @param size the font size we are checking.
+ * @param key the character.
+ * @return true if the character is missing, false otherwise.
+ */
+static inline bool MissingCharacter(FontSize size, uint32 key)
+{
+	return false;
+}
+
 #endif /* WITH_FREETYPE */
 
 #endif /* FONTCACHE_H */
diff -r e6ddd1674102 src/strings.cpp
--- a/src/strings.cpp	Mon Nov 22 18:45:27 2010 +0000
+++ b/src/strings.cpp	Mon Nov 22 21:21:11 2010 +0100
@@ -1586,7 +1586,7 @@
 					text++;
 				} else if (c == SCC_SETXY) {
 					text += 2;
-				} else if (IsPrintable(c) && !IsTextDirectionChar(c) && c != '?' && GetGlyph(FS_NORMAL, c) == question_mark) {
+				} else if (IsPrintable(c) && !IsTextDirectionChar(c) && c != '?' && (GetGlyph(FS_NORMAL, c) == question_mark || MissingCharacter(FS_NORMAL, c))) {
 					/* The character is printable, but not in the normal font. This is the case we were testing for. */
 					return true;
 				}