Add the ability to print unicode characters in addition to "Latin1" ones

src/struct.h

@@ -549,7 +549,7 @@ typedef struct T_Selector_settings
   char  Directory[MAX_PATH_CHARACTERS]; ///< Directory currently browsed
 } T_Selector_settings;
 
-// structure for Main or Spare page global data
+/// structure for Main or Spare page global data
 typedef struct
 {
   /// Palette
@@ -618,4 +618,12 @@ typedef struct
   T_List_of_pages * backups;
 } T_Document;
 
+typedef struct T_Unicode_Font
+{
+  struct T_Unicode_Font * Next;
+  dword FirstChar;
+  dword LastChar;
+  byte * FontData;
+} T_Unicode_Font;
+
 #endif