The GeSHi filter requires the GeSHi library (which needs to be downloaded and installed seperately). Please review the install instruction at README.TXT.
Ever wanted to retrieve a list of allowed values of select list, here's a sample code:
[geshifilter-code]
<?php
$field = field_info_field('FIELD_NAME');
$allowed_values = list_allowed_values($field);
?>
[/geshifilter-code]
The