diff --git a/cfgs/config/advanced.cfg b/cfgs/config/advanced.cfg
index 3556fc3..c2a6ad7 100644
--- a/cfgs/config/advanced.cfg
+++ b/cfgs/config/advanced.cfg
@@ -1278,9 +1278,34 @@ XLATESCSET I51          IBMPC       I51_IBM.ESC
 XLATESCSET MNEMONIC     IBMPC       MNE_IBM.ESC
 XLATESCSET MNEMONIC     CP850       MNE_850.ESC
 
-include charsets.cfg
+// Definitions of character translation tables
+;XLATCHARSET <from charset> <to charset> <character translation table file>
+include charsets.cfg ; This list is generated using allowed character translation table files
 
-// Import charsets (8-bit to 8-bit)
+// Exclusion from charsets.cfg (non-standard charsets names)
+XLATCHARSET MAC       MAC          mac_mac.chs
+XLATCHARSET UKR       CP866        ukr_866.chs
+XLATCHARSET UKR       KOI8-R       ukr_koi.chs
+XLATCHARSET UKR       KOI8-U       ukr_kou.chs
+XLATCHARSET UKR       UKR          ukr_ukr.chs
+XLATCHARSET CP866     UKR          866_ukr.chs
+XLATCHARSET KOI8-U    UKR          kou_ukr.chs
+XLATCHARSET CP866     WIN          866_win.chs
+XLATCHARSET WIN       +7_FIDO      win_866.chs
+XLATCHARSET +7_FIDO   +7_FIDO      866_866.chs
+XLATCHARSET +7_FIDO   ISO8859-5    866_ISO.chs
+XLATCHARSET +7_FIDO   KOI8-R       866_koi.chs
+XLATCHARSET +7_FIDO   KOI8-U       866_kou.chs
+XLATCHARSET +7_FIDO   CP1125       866_ukr.chs
+XLATCHARSET +7_FIDO   CP1251       866_win.chs
+XLATCHARSET KOI8-R    +7_FIDO      koi_866.chs
+XLATCHARSET KOI8-U    +7_FIDO      kou_866.chs
+XLATCHARSET CP1125    +7_FIDO      ukr_866.chs
+XLATCHARSET CP1251    +7_FIDO      win_866.chs
+
+
+
+// Import charsets (8-bit to 8-bit) - see charsets.cfg
 ;XLATCHARSET AUTO        IBMPC       ISO_IBM.CHS
 ;XLATCHARSET ISO-8859-1  IBMPC       ISO1_IBM.CHS
 ;XLATCHARSET IBMPC       IBMPC       IBM_IBM.CHS
@@ -1295,7 +1320,7 @@ include charsets.cfg
 ;XLATCHARSET LATIN1QP    CP850       IQP_850.CHS
 ;XLATCHARSET MAC         CP850       MAC_850.CHS
 
-// Import charsets (7-bit to 8-bit)
+// Import charsets (7-bit to 8-bit) - see charsets.cfg
 ;XLATCHARSET CANADIAN    IBMPC       CAN_IBM.CHS
 ;XLATCHARSET DUTCH       IBMPC       DUT_IBM.CHS
 ;XLATCHARSET FINNISH     IBMPC       FIN_IBM.CHS
@@ -1316,7 +1341,7 @@ include charsets.cfg
 ;XLATCHARSET SWISS       IBMPC       SWI_IBM.CHS
 ;XLATCHARSET UK          IBMPC       UK__IBM.CHS
 
-// Import charsets (7-bit to 7-bit)
+// Import charsets (7-bit to 7-bit) - see charsets.cfg
 ;XLATCHARSET CANADIAN    ASCII       CAN_ASC.CHS
 ;XLATCHARSET DUTCH       ASCII       DUT_ASC.CHS
 ;XLATCHARSET FINNISH     ASCII       FIN_ASC.CHS
@@ -1333,7 +1358,7 @@ include charsets.cfg
 ;XLATCHARSET SWISS       ASCII       SWI_ASC.CHS
 ;XLATCHARSET UK          ASCII       UK__ASC.CHS
 
-// Export charsets (8-bit to 8-bit)
+// Export charsets (8-bit to 8-bit) - see charsets.cfg
 ;XLATCHARSET IBMPC       LATIN-1     IBM_ISO.CHS
 ;XLATCHARSET IBMPC       LATIN1QP    IBM_IQP.CHS
 ;XLATCHARSET IBMPC       MAC         IBM_MAC.CHS
@@ -1341,7 +1366,7 @@ include charsets.cfg
 ;XLATCHARSET CP850       LATIN-1     850_ISO.CHS
 ;XLATCHARSET CP850       LATIN1QP    850_IQP.CHS
 
-// Export charsets (8-bit to 7-bit or escaped 8-bit)
+// Export charsets (8-bit to 7-bit or escaped 8-bit) - see charsets.cfg
 ;XLATCHARSET IBMPC       ASCII       IBM_ASC.CHS
 ;XLATCHARSET IBMPC       MNEMONIC    IBM_MNE.CHS
 ;XLATCHARSET IBMPC       COMPOSED    IBM_CMP.CHS
diff --git a/cfgs/config/advanced.rus b/cfgs/config/advanced.rus
index 91927ea..95f9a70 100644
--- a/cfgs/config/advanced.rus
+++ b/cfgs/config/advanced.rus
@@ -1498,6 +1498,7 @@ XlatEscSet  MNEMONIC    CP850       MNE_850.esc
 
 include charsets.cfg
 
+// Исключения из описанного в файле charsets.cfg
 // Основные таблицы импорта (8-bit -> 8-bit)
 XlatCharSet  AUTO       CP866       866_866.chs
 XlatCharSet  KOI8R      CP866       K8R_866.chs