ee90bd4c5c
Add a look-ahead to ensure that the regex intended to match roman numerals doesn't also match the empty string. Tweak the regular expressions slightly to ensure that Sr/Ku/Crh all have identical regular expressions. Change-Id: If43bf99a21c42c6c5050f814c0bc99edec353228
191 lines
6.3 KiB
PHP
191 lines
6.3 KiB
PHP
<?php
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/**
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* Serbian (Српски / Srpski) specific code.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Language
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*/
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/**
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* There are two levels of conversion for Serbian: the script level
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* (Cyrillics <-> Latin), and the variant level (ekavian
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* <->iyekavian). The two are orthogonal. So we really only need two
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* dictionaries: one for Cyrillics and Latin, and one for ekavian and
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* iyekavian.
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*
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* @ingroup Language
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*/
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class SrConverter extends LanguageConverter {
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public $mToLatin = [
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'а' => 'a', 'б' => 'b', 'в' => 'v', 'г' => 'g', 'д' => 'd',
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'ђ' => 'đ', 'е' => 'e', 'ж' => 'ž', 'з' => 'z', 'и' => 'i',
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'ј' => 'j', 'к' => 'k', 'л' => 'l', 'љ' => 'lj', 'м' => 'm',
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'н' => 'n', 'њ' => 'nj', 'о' => 'o', 'п' => 'p', 'р' => 'r',
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'с' => 's', 'т' => 't', 'ћ' => 'ć', 'у' => 'u', 'ф' => 'f',
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'х' => 'h', 'ц' => 'c', 'ч' => 'č', 'џ' => 'dž', 'ш' => 'š',
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'А' => 'A', 'Б' => 'B', 'В' => 'V', 'Г' => 'G', 'Д' => 'D',
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'Ђ' => 'Đ', 'Е' => 'E', 'Ж' => 'Ž', 'З' => 'Z', 'И' => 'I',
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'Ј' => 'J', 'К' => 'K', 'Л' => 'L', 'Љ' => 'Lj', 'М' => 'M',
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'Н' => 'N', 'Њ' => 'Nj', 'О' => 'O', 'П' => 'P', 'Р' => 'R',
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'С' => 'S', 'Т' => 'T', 'Ћ' => 'Ć', 'У' => 'U', 'Ф' => 'F',
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'Х' => 'H', 'Ц' => 'C', 'Ч' => 'Č', 'Џ' => 'Dž', 'Ш' => 'Š',
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];
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public $mToCyrillics = [
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'a' => 'а', 'b' => 'б', 'c' => 'ц', 'č' => 'ч', 'ć' => 'ћ',
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'd' => 'д', 'dž' => 'џ', 'đ' => 'ђ', 'e' => 'е', 'f' => 'ф',
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'g' => 'г', 'h' => 'х', 'i' => 'и', 'j' => 'ј', 'k' => 'к',
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'l' => 'л', 'lj' => 'љ', 'm' => 'м', 'n' => 'н', 'nj' => 'њ',
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'o' => 'о', 'p' => 'п', 'r' => 'р', 's' => 'с', 'š' => 'ш',
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't' => 'т', 'u' => 'у', 'v' => 'в', 'z' => 'з', 'ž' => 'ж',
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'A' => 'А', 'B' => 'Б', 'C' => 'Ц', 'Č' => 'Ч', 'Ć' => 'Ћ',
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'D' => 'Д', 'Dž' => 'Џ', 'Đ' => 'Ђ', 'E' => 'Е', 'F' => 'Ф',
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'G' => 'Г', 'H' => 'Х', 'I' => 'И', 'J' => 'Ј', 'K' => 'К',
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'L' => 'Л', 'LJ' => 'Љ', 'M' => 'М', 'N' => 'Н', 'NJ' => 'Њ',
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'O' => 'О', 'P' => 'П', 'R' => 'Р', 'S' => 'С', 'Š' => 'Ш',
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'T' => 'Т', 'U' => 'У', 'V' => 'В', 'Z' => 'З', 'Ž' => 'Ж',
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'DŽ' => 'Џ', 'd!ž' => 'дж', 'D!ž' => 'Дж', 'D!Ž' => 'ДЖ',
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'Lj' => 'Љ', 'l!j' => 'лј', 'L!j' => 'Лј', 'L!J' => 'ЛЈ',
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'Nj' => 'Њ', 'n!j' => 'нј', 'N!j' => 'Нј', 'N!J' => 'НЈ'
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];
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function loadDefaultTables() {
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$this->mTables = [
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'sr-ec' => new ReplacementArray( $this->mToCyrillics ),
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'sr-el' => new ReplacementArray( $this->mToLatin ),
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'sr' => new ReplacementArray()
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];
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}
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/**
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* A function wrapper:
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* - if there is no selected variant, leave the link
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* names as they were
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* - do not try to find variants for usernames
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*
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* @param string &$link
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* @param Title &$nt
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* @param bool $ignoreOtherCond
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*/
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function findVariantLink( &$link, &$nt, $ignoreOtherCond = false ) {
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// check for user namespace
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if ( is_object( $nt ) ) {
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$ns = $nt->getNamespace();
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if ( $ns == NS_USER || $ns == NS_USER_TALK ) {
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return;
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}
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}
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$oldlink = $link;
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parent::findVariantLink( $link, $nt, $ignoreOtherCond );
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if ( $this->getPreferredVariant() == $this->mMainLanguageCode ) {
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$link = $oldlink;
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}
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}
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/**
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* It translates text into variant, specials:
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* - ommiting roman numbers
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*
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* @param string $text
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* @param string $toVariant
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*
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* @throws MWException
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* @return string
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*/
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function translate( $text, $toVariant ) {
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$breaks = '[^\w\x80-\xff]';
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// regexp for roman numbers
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// Lookahead assertion ensures $roman doesn't match the empty string
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$roman = '(?=[MDCLXVI])M{0,4}(C[DM]|D?C{0,3})(X[LC]|L?X{0,3})(I[VX]|V?I{0,3})';
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$reg = '/^' . $roman . '$|^' . $roman . $breaks . '|' . $breaks
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. $roman . '$|' . $breaks . $roman . $breaks . '/';
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$matches = preg_split( $reg, $text, -1, PREG_SPLIT_OFFSET_CAPTURE );
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$m = array_shift( $matches );
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$this->loadTables();
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if ( !isset( $this->mTables[$toVariant] ) ) {
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throw new MWException( "Broken variant table: "
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. implode( ',', array_keys( $this->mTables ) ) );
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}
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$ret = $this->mTables[$toVariant]->replace( $m[0] );
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$mstart = $m[1] + strlen( $m[0] );
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foreach ( $matches as $m ) {
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$ret .= substr( $text, $mstart, $m[1] - $mstart );
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$ret .= parent::translate( $m[0], $toVariant );
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$mstart = $m[1] + strlen( $m[0] );
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}
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return $ret;
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}
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/**
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* Guess if a text is written in Cyrillic or Latin.
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* Overrides LanguageConverter::guessVariant()
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*
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* @param string $text The text to be checked
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* @param string $variant Language code of the variant to be checked for
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* @return bool True if $text appears to be written in $variant
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*
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* @author Nikola Smolenski <smolensk@eunet.rs>
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* @since 1.19
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*/
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public function guessVariant( $text, $variant ) {
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$numCyrillic = preg_match_all( "/[шђчћжШЂЧЋЖ]/u", $text, $dummy );
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$numLatin = preg_match_all( "/[šđč枊ĐČĆŽ]/u", $text, $dummy );
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if ( $variant == 'sr-ec' ) {
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return $numCyrillic > $numLatin;
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} elseif ( $variant == 'sr-el' ) {
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return $numLatin > $numCyrillic;
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} else {
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return false;
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}
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}
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}
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/**
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* Serbian (Српски / Srpski)
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*
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* @ingroup Language
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*/
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class LanguageSr extends Language {
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function __construct() {
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parent::__construct();
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$variants = [ 'sr', 'sr-ec', 'sr-el' ];
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$variantfallbacks = [
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'sr' => 'sr-ec',
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'sr-ec' => 'sr',
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'sr-el' => 'sr',
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];
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$flags = [
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'S' => 'S', 'писмо' => 'S', 'pismo' => 'S',
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'W' => 'W', 'реч' => 'W', 'reč' => 'W', 'ријеч' => 'W', 'riječ' => 'W'
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];
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$this->mConverter = new SrConverter( $this, 'sr', $variants, $variantfallbacks, $flags );
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}
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}
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