When resizing a screen smaller in alternate screen mode, all the lines needed could be consumed by deleting from the bottom, leaving none to be removed from the top. In this case, don't call grid_view_delete_lines with ny of 0 as this is incorrect and causes a bounds check to fatal error if built with -DDEBUG.
When resizing a screen smaller in alternate screen mode, all the lines needed
could be consumed by deleting from the bottom, leaving none to be removed from
the top. In this case, don't call grid_view_delete_lines with ny of 0 as this
is incorrect and causes a bounds check to fatal error if built with -DDEBUG.


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