sentences:  In 1806, Baschwitz having withdrawn, Heidenheim became sole proprietor.In that year he published his "Mevo haLashon," a treatise on Hebrew grammar, and in 1808 his "Sefer Mishpete ha-Ta'amim", a treatise on the accents according to the ancient grammarians.Ten years later Heidenheim recommenced his edition of the Pentateuch, but with a larger scope.