// Textareas don't always need to be massive. This works for both tabcontrol_textarea and admincontrol_textarea templates.


$instructions = $myform->append('textarea','plugin_version_instructions', 'null:null', _t('Instructions') );
$instructions->value = $plugin_versions->info->instructions;
$instructions->rows = '3';
$instructions->cols = '75';
$instructions->class[] = 'resizable'; // works best for admincontrol, not tabcontrol.
$instructions->template = 'tabcontrol_textarea';