It was easy to misread a letter or miss a line, however careful the copyist might be. Sometimes the copyist was more interested in getting the substance and meaning of the original than in the exact words.
कभी - कभी प्रतिलिपिक को यथार्थ शब्दों के बजाय मूलपाठ के सार और अर्थ में अधिक दिलचस्पी रहती थी ।