We would also need to know your encoding configuration.
See 
http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Encoding
Thanks
-Vincent
On Sep 17, 2008, at 3:57 PM, Marius Dumitru Florea wrote:
  Hi,
 We can't help you unless you give us specific information like:
 * What product are you using? XWiki Enterprise? Then what version?
 * What editor are you using? Wiki or WYSIWYG?
 * Which are the steps to reproduce the problem?
 Thanks,
 Marius
 alugris(a)uvigo.es wrote:
>
>   Hello everyone!
>
>   While editing an existing page, all accented characters have turned
> into evergrowing strings of ugly characters, such as
>
>   Ã?Æ'Ã?'Ã?â? 'Ã?Æ'ââ?¬Å¡Ã?â??Ã?¡
>
>   for  á (acute accented a). They keep growing every time I edit the
> page. I have not made any changes in the site, neither encoding nor
> any other thing.
>
>   How can I solve this? Thank you very much!!
>
>   Albertyo