bal­anced – Balance dou­ble-col­umn sec­tions in LaTeX

De­fines a twocolumns en­vi­ron­ment that can be used any­where in a one-col­umn doc­u­ment. The en­vi­ron­ment may start and fin­ish mid-page, and columns are al­ways bal­anced. Inserts are not sup­ported (so no \margin­par or floats).