Celelibi wrote:

> > What makes you think that %e and %c are the shifted next/previous page
> > keys?  The termcap manpage says:
> > 
> >        kN   Key for next page
> >        kP   Key for previous page
> > 
> >        %c   shifted next key
> >        %e   shifted previous key
> > 
> > "next key" and "next page" are different.  Perhaps it's just a
> > coincidence that %c and %e contain the codes?  Officially there are no
> > entries for the shifted next/previous page keys.
> 
> Yes, you're right. But I don't think it's a coincidence that xterm
> produce ^[[5~ for Prior or KP_Prior and ^[[5;2~ for Shift+KP_Prior. I
> think xterm just do the most sensful thing it can. Since there is no
> termcap for "shifted previous-page" it send "shifted previous" with an
> escape sequence that is nothing else than the escape sequence for
> "previous-page" with shift modifier.
> 
> - Maybe what I should ask is that vim treat the "previous" key as an
> equivalent of "previous-page"? Or at least a way to tell vim that I
> want them equivalent whatever the modifiers it may encounter.
> - Or maybe that it loads ALL the termcap in the t_* options? And that it 
> search for a termcap that match the FULL escape sequence before trying to 
> parse the modifiers and search for the modifier-less version?
> 
> What I mean for the second suggestion is that when I :set t_%e=^[[5;2~
> then <C-K>^[[5;2~ make vim print <S-t_%8>. While %e is in the
> termcap/terminfo file.
> 
> 
> What really happen is not really clear in my head. Neither is the
> design of vim. I'm therefore a bit confused about the right way to go.

Since the terminal emulaters do more than what termcap/terminfo support,
Vim has some extensions.  See :help xterm-modifier-keys.
But this only works for the builtin xterm codes out of the box.  You
could do this:

if $TERM == "screen"
  set t_kP=<1b>[5;*~
  set t_kN=<1b>[6;*~
endif

Give it a try.  We could perhaps add plugin files for various terminals
so that it works out of the box.

-- 
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 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
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