diff -r '--from=xkeyboard-config-1.8' xkeyboard-config-1.8/rules/base.xml.in xkeyboard-config-1.8.new//rules/base.xml.in
1303a1304,1311
>         <variant>
>           <configItem>
>             <name>serbian</name>
>             <_description>Serbian</_description>
>             <languageList><iso639Id>eng</iso639Id>
>                           <iso639Id>srp</iso639Id> </languageList>
>           </configItem>
>         </variant>
3488a3497,3504
>           </configItem>
>         </variant>
>         <variant>
>           <configItem>
>             <name>serbian</name>
>             <_description>Serbian</_description>
>             <languageList><iso639Id>rus</iso639Id>
>                           <iso639Id>srp</iso639Id></languageList>
diff -r '--from=xkeyboard-config-1.8' xkeyboard-config-1.8/symbols/ru xkeyboard-config-1.8.new//symbols/ru
486a487,510
> // Serbian charecters added as third level symbols to Russian keyboard layout.
> 
> partial default alphanumeric_keys
> xkb_symbols "serbian" {
>     include "ru(common)"
>     include "level3(ralt_switch)"
> 
>     name[Group1]= "Russia - Serbian";
> 
>     key <AE03> { [ 3, numerosign ] };
>     key <AE04> { [ 4, semicolon ] };
>     key <AE05> { [ 5, percent ] };
>     key <AE06> { [ 6, colon ] };
>     key <AE07> { [ 7, question ] };
>     key <AE08> { [ 8, asterisk ] };
>     key <AB10> { [ period, comma ] };
>     key <BKSL> { [ backslash, slash ] };
>     key	<AD01> { [ Cyrillic_shorti, Cyrillic_SHORTI, U458, U408 ] };
>     key	<AD06> { [ Cyrillic_en, Cyrillic_EN, U45A, U40A ] };
>     key	<AC08> { [ Cyrillic_el, Cyrillic_EL, U459, U409 ] };
>     key	<AC09> { [ Cyrillic_de, Cyrillic_DE, U45F, U40F ] };
>     key	<AC10> { [ Cyrillic_zhe, Cyrillic_ZHE, U452, U402 ] };
>     key	<AB02> { [ Cyrillic_che, Cyrillic_CHE, U45B, U40B ] };
> };
diff -r '--from=xkeyboard-config-1.8' xkeyboard-config-1.8/symbols/us xkeyboard-config-1.8.new//symbols/us
1053a1054,1075
> 
> // Serbian charecters added as third level symbols to US keyboard layout.
> 
> partial alphanumeric_keys
> xkb_symbols "serbian" {
> 
>   name[Group1]= "USA - Serbian";
> 
>   include "us"
> 
>   key <TLDE> { [ grave, asciitilde ] };
>   key <AE06> { [ 6, dead_caron, asciicircum, asciicircum ] };
>   key <AC09> { [ l, L, U1C9, U1C8 ] };
>   key <AB06> { [ n, N, U1CC, U1CB ] };
>   key <AB01> { [ z, Z, U1C6, U1C5 ] };
>   key <AD03> { [ e, E, EuroSign, cent ] };
>   key <AC03> { [ d, D, dstroke, Dstroke ] };
>   key <AC11> { [ dead_acute, quotedbl, apostrophe, U315 ] };
>   key <SPCE> { [ space, space, nobreakspace, nobreakspace ] };
> 
>   include "level3(ralt_switch)"
> };