--- ./spell_pspell.inc.bak      2008-08-15 20:10:29.000000000 +0400
+++ ./spell_pspell.inc  2008-12-28 20:36:06.000000000 +0300
@@ -35,13 +35,22 @@
 $words = preg_split('/[ !"#$%&()*+\\,-.\/\n:;<=>?@\[\]^_{|}]+/', $text, NULL,  PREG_SPLIT_NO_EMPTY |  PREG_SPLIT_OFFSET_CAPTURE );
 $plink = pspell_new(get_input_value('lang', RCUBE_INPUT_GET), null, null, 'utf-8');
 $out = '<?xml version="1.0" encoding="UTF-8"?><spellresult charschecked="'.strlen($text).'">';
+$oldpos=0; // previous position from singlebyte preg_split
+$oldlenmb=0; // previous word lenght from multibyte strlen
+$oldlensb=0; // previous word lenght from singlebyte preg_split
+$realpos=0; //  real position of multibyte word in singlebyte representation of text
 foreach ($words as $w) {
     $word = $w[0];
     $pos  = $w[1];
-    $len  = strlen($word);
+    $len  = mb_strlen($word,"utf8"); // get chars count for multibyte string
+    $spaces = $pos - ($oldpos+$oldlensb); // get number of spaces between this and previous words
+    $oldpos = $pos;
+    $oldlensb  = strlen($word); // get singlebyte chars count
+    $realpos = $realpos + $oldlenmb + $spaces; // real position of multibyte word in singlebyte representation of text
+    $oldlenmb = $len;
     if ($plink && !pspell_check($plink, $word)) {
         $suggestions = pspell_suggest($plink, $word);
-        $out .= '<c o="'.$pos.'" l="'.$len.'">';
+        $out .= '<c o="'.$realpos.'" l="'.$len.'">';
         $out .= implode("\t", $suggestions);
         $out .= '</c>';
     }