i have problem with fedora 6 and 7.when i add iran keyboard and using iran pro and iran keypad left alt don't work correctly.i must using shift+alt (first press shift and then alt) for change between language.and ctrl+alt don't work toghether.but when i using iran pro keypad as additional keyboard all of them work correctly.i have this problem with many laptops such as hp,sony and others.
this is my xkb ir keyboard file:
// $XKeyboardConfig: xkbdesc/symbols/ir,v 1.5 2005/08/15 23:26:07 svu Exp $
// Iranian keyboard layout,
// based on National Iranian Keyboard Standard (ISIRI 2901:1994),
// with additions.
//
// Copyright (C) 2004,2005  Sharif FarsiWeb, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// A copy of the GNU General Public License is available from
// <http://www.gnu.org/licenses/gpl.txt>.
//
// Author: Behnam Esfahbod <behnam@esfahbod.info>
//


// 3-Level layout

partial default alphanumeric_keys
xkb_symbols "basic" {
    name[Group1]= "Iran";

    // Persian digits
    key <AE01> { [ 0x10006f1,   exclam,         quoteleft               ] };
    key <AE02> { [ 0x10006f2,   0x100066c,      at                      ] };
    key <AE03> { [ 0x10006f3,   0x100066b,      numbersign              ] };
    key <AE04> { [ 0x10006f4,   0x100fdfc,      dollar                  ] };
    key <AE05> { [ 0x10006f5,   0x100066a,      percent                 ] };
    key <AE06> { [ 0x10006f6,   multiply,       asciicircum             ] };
    key <AE07> { [ 0x10006f7,   Arabic_comma,   ampersand               ] };
    key <AE08> { [ 0x10006f8,   asterisk,       enfilledcircbullet      ] };
    key <AE09> { [ 0x10006f9,   parenright,     0x100200e               ] };
    key <AE10> { [ 0x10006f0,   parenleft,      0x100200f               ] };

    // Other 3-Level symbols
    key <TLDE> { [ 0x100200d,           division,               asciitilde      ] };
    key <AE11> { [ minus,               Arabic_tatweel,         underscore      ] };
    key <AE12> { [ equal,               plus,                   0x1002212       ] };
    key <BKSL> { [ backslash,           bar,                    0x1002010       ] };
    key <SPCE> { [ space,               0x100200c,              nobreakspace    ] };

    key <AD01> { [ Arabic_dad,          Arabic_sukun,           degree          ] };
    key <AD02> { [ Arabic_sad,          Arabic_dammatan,        VoidSymbol      ] };
    key <AD03> { [ Arabic_theh,         Arabic_kasratan,        0x13a4          ] };
    key <AD04> { [ Arabic_qaf,          Arabic_fathatan,        VoidSymbol      ] };
    key <AD05> { [ Arabic_feh,          Arabic_damma,           VoidSymbol      ] };
    key <AD06> { [ Arabic_ghain,        Arabic_kasra,           VoidSymbol      ] };
    key <AD07> { [ Arabic_ain,          Arabic_fatha,           VoidSymbol      ] };
    key <AD08> { [ Arabic_heh,          Arabic_shadda,          0x100202d       ] };
    key <AD09> { [ Arabic_khah,         bracketright,           0x100202e       ] };
    key <AD10> { [ Arabic_hah,          bracketleft,            0x100202c       ] };
    key <AD11> { [ Arabic_jeem,         braceright,             0x100202a       ] };
    key <AD12> { [ 0x1000686,           braceleft,              0x100202b       ] };

    key <AC01> { [ Arabic_sheen,        Arabic_hamzaonwaw,      VoidSymbol      ] };
    key <AC02> { [ Arabic_seen,         Arabic_hamzaonyeh,      VoidSymbol      ] };
    key <AC03> { [ 0x10006cc,           Arabic_yeh,             Arabic_alefmaksura ] };
    key <AC04> { [ Arabic_beh,          Arabic_hamzaunderalef,  VoidSymbol      ] };
    key <AC05> { [ Arabic_lam,          Arabic_hamzaonalef,     VoidSymbol      ] };
    key <AC06> { [ Arabic_alef,         Arabic_maddaonalef,     0x1000671       ] };
    key <AC07> { [ Arabic_teh,          Arabic_tehmarbuta,      VoidSymbol      ] };
    key <AC08> { [ Arabic_noon,         guillemotright,         0x100fd3e       ] };
    key <AC09> { [ Arabic_meem,         guillemotleft,          0x100fd3f       ] };
    key <AC10> { [ 0x10006a9,           colon,                  semicolon       ] };
    key <AC11> { [ 0x10006af,           Arabic_semicolon,       quotedbl        ] };

    key <AB01> { [ Arabic_zah,          Arabic_kaf,             VoidSymbol      ] };
    key <AB02> { [ Arabic_tah,          0x1000653,              VoidSymbol      ] };
    key <AB03> { [ Arabic_zain,         0x1000698,              VoidSymbol      ] };
    key <AB04> { [ Arabic_ra,           0x1000670,              0x1000656       ] };
    key <AB05> { [ Arabic_thal,         0x100200c,              0x100200d       ] };
    key <AB06> { [ Arabic_dal,          0x1000654,              0x1000655       ] };
    key <AB07> { [ 0x100067e,           Arabic_hamza,           ellipsis        ] };
    key <AB08> { [ Arabic_waw,          greater,                comma           ] };
    key <AB09> { [ period,              less,                   apostrophe      ] };
    key <AB10> { [ slash,               Arabic_question_mark,   question        ] };

    include "level3(ralt_switch)"
};


partial hidden alphanumeric_keys
xkb_symbols "part_pro" {

    // Persian and English (ASCII) digits
    key <AE01> { [ 0x10006f1,   exclam,         quoteleft,              1       ] };
    key <AE02> { [ 0x10006f2,   0x100066c,      at,                     2       ] };
    key <AE03> { [ 0x10006f3,   0x100066b,      numbersign,             3       ] };
    key <AE04> { [ 0x10006f4,   0x100fdfc,      dollar,                 4       ] };
    key <AE05> { [ 0x10006f5,   0x100066a,      percent,                5       ] };
    key <AE06> { [ 0x10006f6,   multiply,       asciicircum,            6       ] };
    key <AE07> { [ 0x10006f7,   Arabic_comma,   ampersand,              7       ] };
    key <AE08> { [ 0x10006f8,   asterisk,       enfilledcircbullet,     8       ] };
    key <AE09> { [ 0x10006f9,   parenright,     0x100200e,              9       ] };
    key <AE10> { [ 0x10006f0,   parenleft,      0x100200f,              0       ] };
};

partial hidden alphanumeric_keys
xkb_symbols "part_keypad" {

    // Persian digits and Mathematical operators
    key <KPDV> { [ division,    XF86_Ungrab     ] };
    key <KPMU> { [ multiply,    XF86_ClearGrab  ] };
    key <KPSU> { [ 0x1002212,   XF86_Prev_VMode ] };
    key <KPAD> { [ plus,        XF86_Next_VMode ] };

    key <KPEN> { [ KP_Enter     ] };
    key <KPEQ> { [ equal        ] };

    key <KP7>  { [ KP_Home,     0x10006f7       ] };
    key <KP8>  { [ KP_Up,       0x10006f8       ] };
    key <KP9>  { [ KP_Prior,    0x10006f9       ] };

    key <KP4>  { [ KP_Left,     0x10006f4       ] };
    key <KP5>  { [ KP_Begin,    0x10006f5       ] };
    key <KP6>  { [ KP_Right,    0x10006f6       ] };

    key <KP1>  { [ KP_End,      0x10006f1       ] };
    key <KP2>  { [ KP_Down,     0x10006f2       ] };
    key <KP3>  { [ KP_Next,     0x10006f3       ] };

    key <KP0>  { [ KP_Insert,   0x10006f0       ] };
    key <KPDL> { [ KP_Delete,   0x100066b       ] };
};

// 4-Level leyout

partial alphanumeric_keys
xkb_symbols "pro" {
    include "ir(basic)"
    include "ir(part_pro)"

    name[Group1]= "Iran - Pro";
};


// Persian Keypad leyout

partial alphanumeric_keys
xkb_symbols "keypad" {
    include "ir(basic)"
    include "ir(part_keypad)"

    name[Group1]= "Iran - Keypad";
};


// 4-Level leyout with Persian Keypad leyout

partial alphanumeric_keys
xkb_symbols "pro_keypad" {
    include "ir(basic)"
    include "ir(part_keypad)"
    include "ir(part_pro)"

    name[Group1]= "Iran - Pro Keypad";

};