According to http://bugs.pilot-link.org/bug_view_advanced_page.php?bug_id=1335 there's a way to handle correctly the jpilot charset with libpisock >= 0.12. Would be nice to implement that.
Changes related to this bug have been committed. Please check latest CVS and update the bug accordingly. You can also get the patch from: http://www.colino.net/claws-mail/ 2006-12-19 [colin] 2.6.1cvs54 * src/jpilot.c Fix bug 1059, 'Better jpilot charset handling'. Use libpisync's charset conversion if possible