Lech Lorens, 30.10.2009: > > On 29-10-2009 Bram Moolenaar <[email protected]> wrote: > > > > When I try this I get: > > > > window 1 window 2 > > /dev/null file.txt > > +------------+------------+ > > |filler |last - 2 | > > |filler |last - 1 | > > |_ |last line | > > |~ |~ | > > |~ |~ | > > |~ |~ | > > +------------+------------+ > > > > Thus two filler lines are inserted, the file.txt window scrolls down. > > > > If I remove "filler" from 'diffopt' then I don't get any scrolling. > > > > Perhaps it depends on your option values, can you find out? > > If I scroll file.txt then - yes - filler lines start to appear in the > window displaying /dev/null. Other than that I am unable to get the > correct scrolling behaviour you are describing. > > The incorrect scrolling seems to be strictly related to line 187 in > move.c (function update_topline()): > > 186 #ifdef FEAT_DIFF > 187 curwin->w_topfill = 0; > 188 #endif > > as commenting out the line or restoring curwin->w_topfill at the end of > update_topline() seems to alleviate the problem. However, I don't > suppose that the line is there without a reason (although I haven't > observed any undesired side effects after I removed it). Anyway, after > such a modification scrolling /dev/null yields a result as follows > (note: one more filler line than you are reporting; this seems > consistent with scrolling file.txt, though): > > window 1 window 2 > /dev/null file.txt > +------------+------------+ > |filler |last line | > |_ |~ | > |~ |~ | > |~ |~ | > |~ |~ | > |~ |~ | > +------------+------------+ > > and upon two more CTRL-Y presses: > > window 1 window 2 > /dev/null file.txt > +------------+------------+ > |filler |last - 2 | > |filler |last - 1 | > |filler |last line | > |_ |~ | > |~ |~ | > |~ |~ | > +------------+------------+ > > If I remove "filler" from 'diffopt', my problem disappears. > > Everything I described happened on a freshly compiled normal version of > Vim 7.2.267 invoked as follows: > $ vim -u NONE -U NONE -d /dev/null runtime/doc/todo.txt > > Maybe anyone else observes the correct behaviour and would be willing to > investigate which settings make the difference?
I have no problem reproducing it. I just wanted to send this as a reproduction recipe: $ vim -u NONE -U NONE -c "normal itext" -c "diffsplit /dev/null" But yours from above works just as fine. --~--~---------~--~----~------------~-------~--~----~ You received this message from the "vim_dev" maillist. For more information, visit http://www.vim.org/maillist.php -~----------~----~----~----~------~----~------~--~---
