For years this edition was also considered the authentic edition of the Augsburg Confession. Its Latin text was embodied 1584 in the Book of Concord as the _textus receptus._ But when attention was drawn to the changes in the German text of this edition (also the Latin text had been subjected to minor alterations), the Mainz Manuscript was substituted in the German Book of Concord, as its Preface explains. (14.) This manuscript, however contains no original signatures and was erroneously considered the identical document presented to the Emperor, of which it was probably but a copy. In his Introduction to the Symbolical Books, J. T. Mueller expresses the following opinion concerning the Mainz Manuscript: "To say the least, one cannot deny that its text, as a rule, agrees with that of the best manuscripts, and that its mistakes can easily be corrected according to them and the _editio princeps,_ so that we have no reason to surrender the text received by the Church and to accept another in place thereof, of which we cannot prove either that it is any closer to the original." (78.) Tschackert, who devoted much study to the manuscripts of the Augsburg Confession, writes: "The Saxon theologians acted in good faith, and the Mainz copy is still certainly better than Melanchthon's original imprint [the _editio princeps_] yet, when compared with the complete and--because synchronous with the originally presented copy--reliable manuscripts of the signers of the Confession, the Mainz Manuscript proves to be defective in quite a number of places." (_L.c._ 621 f.) However, even Tschackert's minute comparison shows that the Mainz Manuscript deviates from the original presented to the Emperor only in unimportant and purely formal points. For example, in sec. 20 of the Preface the words: "Papst das Generalkonzilium zu halten nicht geweigert, so waere E. K. M. gnaediges Erbieten, zu fordern und zu handeln, dass der" are omitted. Art. 27 sec. 48 we are to read: "dass die erdichteten geistlichen Orden Staende sind christlicher Vollkommenheit" instead of: "dass die erdichteten geistlichen Ordensstaende sind christliche Vollkommenheit." Art. 27, sec. 61 reads, "die Uebermass der Werke," instead of, "die Uebermasswerke," by the way, an excellent expression, which should again be given currency in the German. The conclusion of sec. 2 has "Leichpredigten" instead of "Beipredigten." According to the manuscripts, also the Mainz Manuscript, the correct reading of sec. 12 of the Preface is as follows: "Wo aber bei unsern Herrn, Freunden und besonders den Kurfuersten, Fuersten und Staenden des andern Teils die Handlung dermassen, wie E. K. M. Ausschreiben vermag (bequeme Handlung unter uns selbst in Lieb und Guetigkeit) nicht verfangen noch erspriesslich sein wollte" etc. The words, "bequeme Handlung unter uns selbst in Lieb' und Guetigkeit," are quoted from the imperial proclamation. (Foerstemann, 7, 378; Plitt, 2, 12.)