/**
 * Implementation of hook_filter().
 */
function chessboard_filter($op, $delta=0, $format=-1, $text='') {

In Drupal 6 hook_filter() has one more argument and in D7 our process callback will be invoked with this $cache_id argument. Best to add it already.

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eric_a’s picture

eric_a commented
Status: Active » Fixed

Committed to MAIN and DRUPAL-6--1.

Status: Fixed » Closed (fixed)

Automatically closed -- issue fixed for 2 weeks with no activity.