1 Example text file to reproduce a nvi crash with. 2 3 This example assume an 80x24 terminal window and 4 default tabstop of 8. 5 6 A line long enough that spans multiple lines in 7 such a way that if the tabstop value is decreased 8 the number of lines spanned will also decrease. 9 0 Page down to example line and instructions. 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 this is a long line with tabs: it will show up wrapped over two lines. . .. (Assuming 80x24 terminal screen and tabstop=8). ... .... Position above line at the top of the screen in such a manner that ..... the tail end of the spanned line is visible as the first line. The ...... line is designed to spans less lines when tabstop is decreased. ....... ........ Also position your cursor on that line. ......... .......... Next set tabstop to 2. ........... ............ Notice the drawing glitch that blanks out ............. these instructions. .............. ............... If at this point you ^B (backpage) you'll .............. notice that nvi will crash. ............. ............ Version 1.79 (10/23/96) The CSRG, ........... University of California, Berkeley. .......... ......... ........ ....... ...... ..... .... .... ... ... .. .