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| <!-- Documentation of code Snippet:
| | <includeonly>{{#invoke: LangSwitch|langSwitch}}</includeonly><noinclude> |
| 1) "{{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}}" - is the chosen language, either set by parameter "lang=xx"
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| or by language of the user "{{int:Lang}}"
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| 2) "{{{ {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |}}}" - is the input parameter matching the language for example {{{xx|}}}
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| 3) Without the fallback templates the LangSwitch template would be
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| {{{
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| {{#switch: {{{ {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |}}} // switch based on input parameter matching the language ie. xx
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| | ~ = empty // if |xx=~| than the template will return {{{empty}}} which is empty
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| | = {{#if: {{{default|}}} | default | en }} // if xx is undefined or empty |xx=| than return {{{default}}} or {{{en}}}
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| | #default = {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} // for all other cases return {{{xx|}}}
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| }}
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| |}}}
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| The actual template is bit more complicated calling templates {{GetFallback}} and {{GetFallback2}} to allow language fallback. For example if desired encoding is "sr-ec" (Serbian using Cyrillic alphabet) than the fall back would be "sr" (Serbian))
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| -->{{{
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| {{#switch: {{{ {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |}}}
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| | ~ = empty
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| | = {{#switch: {{{ {{GetFallback| {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |default=default}} |}}}
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| | ~ = empty
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| | = {{#switch: {{{ {{GetFallback2| {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |default=default}} |}}}
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| | ~ = empty
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| | = {{#if: {{{default|}}} | default | en }}
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| | #default = {{GetFallback2| {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |default=default}}
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| }}
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| | #default = {{GetFallback| {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}} |default=default}}
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| }}
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| | #default = {{#if:{{{lang|}}}|{{{lang}}}|{{int:Lang}}}}
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| }}
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| |}}}<includeonly>{{#ifeq:{{NAMESPACE}}|File||{{#if:{{{en|}}}{{{default|}}}{{{nocat|<noinclude>1</noinclude>}}}||[[Category:LangSwitch template without English version]]}}}}</includeonly><noinclude>
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| {{Documentation}} | | {{Documentation}} |
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| </noinclude> | | </noinclude> |
