templates/queries-correspondent-mysql.tpl.html, templates/queries-correspondent-sqlite.tpl.html, templates/queries-index-mysql.tpl.html, templates/queries-index-sqlite.tpl.html: All SQL queries used a CASE expression to return either 'Explicit' or 'Clean' depending on the 0/1 setting of the 'explicit' column. However, the TT² templates using these queries were written to expect the numeric form. All the 'CASE' expressions have been replaced by the field name and now the correct flag is being displayed.