Most of language code fixes

programs/develop/examples/example3/trunk/example3.asm

@@ -196,7 +196,7 @@ draw_data:
 x_size:       dd 381               ; window x size
 y_size:       dd 200               ; window y size
 
-if lang eq ru
+if lang eq ru_RU
 window_text   db '�ਬ¥à ¬¥­î',0
 button_no     db 'Š­®¯ª  N:'
 else
@@ -210,7 +210,7 @@ main_menu_Edit dd 0
 main_menu_Test dd 0
 main_menu_Help dd 0
 
-if lang eq ru
+if lang eq ru_RU
 
 sz_File db '” ©«',0
 sz_Load db 'Žâªàëâì',0