euc_kr, koi8_r and koi8_u have been renamed so that now

all charset names don't have "_" sign.

mysql-test/r/ctype_many.result

 DROP TABLE IF EXISTS t1;
 CREATE TABLE t1 (
 comment CHAR(32) ASCII NOT NULL,
-koi8_ru_f CHAR(32) CHARACTER SET koi8_r NOT NULL
+koi8_ru_f CHAR(32) CHARACTER SET koi8r NOT NULL
 ) CHARSET=latin5;
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `comment` char(32) character set latin1 NOT NULL default '',
-  `koi8_ru_f` char(32) character set koi8_r NOT NULL default ''
+  `koi8_ru_f` char(32) character set koi8r NOT NULL default ''
 ) TYPE=MyISAM CHARSET=latin5
 ALTER TABLE t1 CHANGE comment comment CHAR(32) CHARACTER SET latin2 NOT NULL;
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `comment` char(32) character set latin2 NOT NULL default '',
-  `koi8_ru_f` char(32) character set koi8_r NOT NULL default ''
+  `koi8_ru_f` char(32) character set koi8r NOT NULL default ''
 ) TYPE=MyISAM CHARSET=latin5
 ALTER TABLE t1 ADD latin5_f CHAR(32) NOT NULL;
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `comment` char(32) character set latin2 NOT NULL default '',
-  `koi8_ru_f` char(32) character set koi8_r NOT NULL default '',
+  `koi8_ru_f` char(32) character set koi8r NOT NULL default '',
   `latin5_f` char(32) character set latin5 NOT NULL default ''
 ) TYPE=MyISAM CHARSET=latin5
 ALTER TABLE t1 CHARSET=latin2;
@@ -30,7 +30,7 @@ SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `comment` char(32) character set latin2 NOT NULL default '',
-  `koi8_ru_f` char(32) character set koi8_r NOT NULL default '',
+  `koi8_ru_f` char(32) character set koi8r NOT NULL default '',
   `latin5_f` char(32) character set latin5 NOT NULL default '',
   `latin2_f` char(32) character set latin2 NOT NULL default ''
 ) TYPE=MyISAM CHARSET=latin2
@@ -39,7 +39,7 @@ SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `comment` char(32) character set latin2 NOT NULL default '',
-  `koi8_ru_f` char(32) character set koi8_r NOT NULL default ''
+  `koi8_ru_f` char(32) character set koi8r NOT NULL default ''
 ) TYPE=MyISAM CHARSET=latin2
 INSERT INTO t1 (koi8_ru_f,comment) VALUES ('a','LAT SMALL A');
 INSERT INTO t1 (koi8_ru_f,comment) VALUES ('b','LAT SMALL B');
@@ -1061,7 +1061,7 @@ CYR SMALL YA	CYR CAPIT YA
 CYR SMALL YA	CYR SMALL YA
 SELECT t11.comment,t12.comment 
 FROM t1 t11,t1 t12 
-WHERE t11.koi8_ru_f=CONVERT(t12.utf8_f USING koi8_r)
+WHERE t11.koi8_ru_f=CONVERT(t12.utf8_f USING koi8r)
 ORDER BY t12.utf8_f,t11.comment,t12.comment;
 comment	comment
 LAT CAPIT A	LAT CAPIT A

mysql-test/t/ctype_many.test

@@ -4,7 +4,7 @@ DROP TABLE IF EXISTS t1;
 
 CREATE TABLE t1 (
   comment CHAR(32) ASCII NOT NULL,
-  koi8_ru_f CHAR(32) CHARACTER SET koi8_r NOT NULL
+  koi8_ru_f CHAR(32) CHARACTER SET koi8r NOT NULL
 ) CHARSET=latin5;
 
 SHOW CREATE TABLE t1;
@@ -158,7 +158,7 @@ ORDER BY t11.koi8_ru_f,t11.comment,t12.comment;
 
 SELECT t11.comment,t12.comment 
 FROM t1 t11,t1 t12 
-WHERE t11.koi8_ru_f=CONVERT(t12.utf8_f USING koi8_r)
+WHERE t11.koi8_ru_f=CONVERT(t12.utf8_f USING koi8r)
 ORDER BY t12.utf8_f,t11.comment,t12.comment;
 
 ALTER TABLE t1 ADD ucs2_f CHAR(32) CHARACTER SET ucs2;

sql/share/charsets/Index.xml

@@ -124,11 +124,11 @@ To make maintaining easier please:
   </collation>
 </charset>
 
-<charset name="koi8_r">
+<charset name="koi8r">
   <family>Cyrillic</family>
-  <alias>koi8-ru</alias>
+  <alias>koi8-r</alias>
   <alias>cskoi8r</alias>
-  <collation name="koi8_r"	id="7"	order="Russian"	flag="primary"/>
+  <collation name="koi8r"	id="7"	order="Russian"	flag="primary"/>
 </charset>
 
 <charset name="swe7">
@@ -211,11 +211,11 @@ To make maintaining easier please:
   <collation name="tis620"	id="18"	order="Thai"	flag="primary"	flag="compiled"/>
 </charset>
 
-<charset name="euc_kr">
+<charset name="euckr">
   <family>Korean</family>
-  <alias>euckr</alias>
+  <alias>euc_kr</alias>
   <alias>euc-kr</alias>
-  <collation name="euc_kr"	id="19"	order="Korean"	flag="primary"	flag="compiled"/>
+  <collation name="euckr"	id="19"	order="Korean"	flag="primary"	flag="compiled"/>
 </charset>
 
 <charset name="latin7">
@@ -228,10 +228,10 @@ To make maintaining easier please:
   <collation name="latvian1"	id="42"	order="Latvian"/>
 </charset>
 
-<charset name="koi8_u">
+<charset name="koi8u">
   <family>Cyrillic</family>
   <alias>koi8-u</alias>
-  <collation name="koi8_u"	id="22"	order="Ukranian"	flag="primary"/>
+  <collation name="koi8u"	id="22"	order="Ukranian"	flag="primary"/>
 </charset>
 
 <charset name="gb2312">

strings/ctype-euc_kr.c

@@ -8637,8 +8637,8 @@ CHARSET_INFO my_charset_euc_kr =
 {
     19,			/* number */
     MY_CS_COMPILED|MY_CS_PRIMARY,	/* state      */
-    "euc_kr",		/* cs name    */
-    "euc_kr",		/* name */
+    "euckr",		/* cs name    */
+    "euckr",		/* name */
     "",			/* comment    */
     ctype_euc_kr,
     to_lower_euc_kr,

strings/ctype.c

@@ -3399,8 +3399,8 @@ static CHARSET_INFO compiled_charsets[] = {
   {
     7,			/* number */
     MY_CS_COMPILED,	/* state      */
-    "koi8_r",		/* cs name    */
-    "koi8_r",		/* name */
+    "koi8r",		/* cs name    */
+    "koi8r",		/* name */
     "",			/* comment    */
     ctype_koi8_ru,
     to_lower_koi8_ru,
@@ -3444,8 +3444,8 @@ static CHARSET_INFO compiled_charsets[] = {
   {
     22,			/* number */
     MY_CS_COMPILED,	/* state      */
-    "koi8_u",		/* cs name    */
-    "koi8_u",		/* name */
+    "koi8u",		/* cs name    */
+    "koi8u",		/* name */
     "",			/* comment    */
     ctype_koi8_ukr,
     to_lower_koi8_ukr,