On 10/21/2013 08:39 PM, Andrew Schulman wrote: >> I have found that two lines in /etc/screenrc cause the nano editor to get >> one line off in its text buffer display when running gnu screen in a mintty >> terminal on cygwin64. The two lines are as follows (the ones beginning with >> "termcap" and "terminfo"): >> >>> # Do not use xterms alternate window buffer. >>> # This one would not add lines to the scrollback buffer. >>> # THESE CAUSE PROBLEMS WITH 64-BIT CYGWIN AND NANO EDITOR IN MINTTY >>> termcap xterm|xterms|xs ti=\E7\E[?47l >>> terminfo xterm|xterms|xs ti=\E7\E[?47l >> Commenting them out (putting hash characters before "termcap" and "terminfo" >> solved the problem for me. I have never seen this issue on cygwin32. >> >> To reproduce: on cygwin64, start a mintty terminal, start gnu screen, then >> edit a file in nano. Soon you will see the text buffer display become >> garbled. Comment out the two lines identified above in /etc/screenrc and >> notice that the problem does not occur. > OK, I got my 64-bit computer back and have just tried to reproduce this, > but I can't. I started mintty, started screen, ran nano, and edited a > large text file, paging up and down through it and adding and deleting > lines. The display stayed fine. I tried it a few times with the same > result. > > Are you still having this problem? If so, please follow the bug reporting > guidelines at http://cygwin.com/problems.html. > > Andrew >
Oddly, I can no longer reproduce this problem myself. I edited /etc/screenrc to restore its original contents, but the issue did not recur. I can't see any package updates since the bug report that would affect the issue. If the issue does recur, I will follow the bug reporting guidelines. Thanks for investigating. Regards Jim Phillips
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