First, you must download and install the MozEx extension by visiting the appropriate web page and following the installation link provided there. The stable verion of the MozEx package (at [http://mozex.mozdev.org/ http://mozex.mozdev.org/]) does not support editing [[UTF-8]]-encoded documents. This is particularly problematic since all Wikipedia articles are encoded in [[UTF-8]] by default.However, firstthe notedevelopers twoversion importantof caveats:MozEx does support UTF-8.
*[[As of 2005|Currently]], the official MozEx package (at [http://mozex.mozdev.org/ http://mozex.mozdev.org/]) does not support editing [[UTF-8]]-encoded documents. This is particularly problematic since all Wikipedia articles are encoded in [[UTF-8]] by default. [http://www.ms.mff.cuni.cz/~marem2am/src/mozex/.iso-8859-1 An unofficial version of MozEx which supports UTF-8] is available.
*[[As of 2005|Currently]], the official MozEx package (at [http://mozex.mozdev.org/ http://mozex.mozdev.org/]) does not install properly on [[Mozilla Firefox]] 1.0. However, [http://www.extensionsmirror.nl/index.php?showtopic=70 an unofficial repackaged version of MozEx for Firefox] is available.
The above two unofficial versions can be combined into a [http://www.gatsby.ucl.ac.uk/~iam23/code/mozex/ UTF-8 forcing, Firefox friendly mozex], which gives the advantages of both.