The lines here correspond to the same lines in the actual scroll the text is 14 point type Chapters are marked with Roman numerals. Letters and words edited by a scribe above the line to correct the text are in nine point type and missing and doubtful letters are in eleven point type . 4 to 5 letter spaces between words mark the verses. These do not always appear in the text.  equals an omission. . . marks a word not in the masoretic text.