From 3dda804bd658091b89be8bd58e6d179637f764e3 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Mon, 19 May 2008 20:20:33 +0000
Subject: [PATCH] * (bug 1701) Korean Hangul syllables now broken down properly
 in Category lists even if the wiki's overall content language is not Korean

Nothing else left in LanguageKo class, so ditching it.
---
 RELEASE-NOTES                    |  3 +-
 languages/Language.php           | 42 +++++++++++++++++++++++-
 languages/classes/LanguageKo.php | 55 --------------------------------
 3 files changed, 43 insertions(+), 57 deletions(-)
 delete mode 100644 languages/classes/LanguageKo.php

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 9ebf32c470..ed6494279e 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -280,7 +280,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 14111) Similar filename warning links now lead to correct page
 * (bug 14082) Fix for complex text input vs AJAX suggestions on some browsers
 * (bug 13693) Categories sometimes claim to have a negative number of members
-
+* (bug 1701) Korean Hangul syllables now broken down properly in Category lists
+  even if the wiki's overall content language is not Korean
 
 === API changes in 1.13 ===
 
diff --git a/languages/Language.php b/languages/Language.php
index b8d2aecd8e..c9b35f628b 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -1464,7 +1464,47 @@ class Language {
 		preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
 		'[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})/', $s, $matches);
 
-		return isset( $matches[1] ) ? $matches[1] : "";
+		if ( isset( $matches[1] ) ) {
+			if ( strlen( $matches[1] ) != 3 ) {
+				return $matches[1];
+			}
+			
+			// Break down Hangul syllables to grab the first jamo
+			$code = utf8ToCodepoint( $matches[1] );
+			if ( $code < 0xac00 || 0xd7a4 <= $code) {
+				return $matches[1];
+			} elseif ( $code < 0xb098 ) {
+				return "\xe3\x84\xb1";
+			} elseif ( $code < 0xb2e4 ) {
+				return "\xe3\x84\xb4";
+			} elseif ( $code < 0xb77c ) {
+				return "\xe3\x84\xb7";
+			} elseif ( $code < 0xb9c8 ) {
+				return "\xe3\x84\xb9";
+			} elseif ( $code < 0xbc14 ) {
+				return "\xe3\x85\x81";
+			} elseif ( $code < 0xc0ac ) {
+				return "\xe3\x85\x82";
+			} elseif ( $code < 0xc544 ) {
+				return "\xe3\x85\x85";
+			} elseif ( $code < 0xc790 ) {
+				return "\xe3\x85\x87";
+			} elseif ( $code < 0xcc28 ) {
+				return "\xe3\x85\x88";
+			} elseif ( $code < 0xce74 ) {
+				return "\xe3\x85\x8a";
+			} elseif ( $code < 0xd0c0 ) {
+				return "\xe3\x85\x8b";
+			} elseif ( $code < 0xd30c ) {
+				return "\xe3\x85\x8c";
+			} elseif ( $code < 0xd558 ) {
+				return "\xe3\x85\x8d";
+			} else {
+				return "\xe3\x85\x8e";
+			}
+		} else {
+			return "";
+		}
 	}
 
 	function initEncoding() {
diff --git a/languages/classes/LanguageKo.php b/languages/classes/LanguageKo.php
deleted file mode 100644
index 4856edccca..0000000000
--- a/languages/classes/LanguageKo.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-/** Korean (한국어)
-  *
-  * @addtogroup Language
-  */
-
-class LanguageKo extends Language {
-	function firstChar( $s ) {
-		$matches = array();
-		preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
-		'[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})/', $s, $matches);
-
-		if ( isset( $matches[1] ) ) {
-			if ( strlen( $matches[1] ) != 3 ) {
-				return $matches[1];
-			}
-			$code = (ord($matches[1]{0}) & 0x0f) << 12;
-			$code |= (ord($matches[1]{1}) & 0x3f) << 6;
-			$code |= (ord($matches[1]{2}) & 0x3f);
-			if ( $code < 0xac00 || 0xd7a4 <= $code) {
-				return $matches[1];
-			} elseif ( $code < 0xb098 ) {
-				return "\xe3\x84\xb1";
-			} elseif ( $code < 0xb2e4 ) {
-				return "\xe3\x84\xb4";
-			} elseif ( $code < 0xb77c ) {
-				return "\xe3\x84\xb7";
-			} elseif ( $code < 0xb9c8 ) {
-				return "\xe3\x84\xb9";
-			} elseif ( $code < 0xbc14 ) {
-				return "\xe3\x85\x81";
-			} elseif ( $code < 0xc0ac ) {
-				return "\xe3\x85\x82";
-			} elseif ( $code < 0xc544 ) {
-				return "\xe3\x85\x85";
-			} elseif ( $code < 0xc790 ) {
-				return "\xe3\x85\x87";
-			} elseif ( $code < 0xcc28 ) {
-				return "\xe3\x85\x88";
-			} elseif ( $code < 0xce74 ) {
-				return "\xe3\x85\x8a";
-			} elseif ( $code < 0xd0c0 ) {
-				return "\xe3\x85\x8b";
-			} elseif ( $code < 0xd30c ) {
-				return "\xe3\x85\x8c";
-			} elseif ( $code < 0xd558 ) {
-				return "\xe3\x85\x8d";
-			} else {
-				return "\xe3\x85\x8e";
-			}
-		} else {
-			return "";
-		}
-	}
-}
-- 
2.20.1