Re: Bug#25689: xbase: Delete mapping in Xresources wrong if connecting from remote

[Christoph Martin <martin@verwaltung.uni-mainz.de>]

Christoph Martin writes:
 > Branden Robinson writes:
 >  > On Thu, Aug 20, 1998 at 10:34:56AM +0200, Christoph Martin wrote:
 >  > > Brian May writes:
 >  > >  > Branden Robinson wrote:
 >  > >  > >> >No, wrong. xev shows that the xserver generates correct Backspace and
 >  > >  > >> >Delete keycodes.=20
 >  > >  > >>=20
 >  > >  > >> Somehow xterm is receiving Backspace as Delete, because the key
 >  > >  > >> translations in /etc/X11/Xresources don't affect Backspace.
 >  > >  > >
 >  > >  > >They do as of xfree86 3.3.2.3-1, per Ian Jackson's recommendation.  (Old
 >  > >  > >xterms on remote hosts don't understand the *VT100.backarrowKey resource).
 >  > >  > 
 >  > >  > I was under the impression that the xterm in question was running on the
 >  > >  > (hamm?) Debian host.
 >  > > 
 >  > > Correct. xterm on remote Debian hamm host. But Xresources on local
 >  > > (non Debian hamm) host.
 >  > 
 >  > Then it sounds like the problem can be solved by copying the overrides
 >  > from a Debian /etc/X11/Xresources (running xbase 3.3.2.3-1) machine to a
 >  > user-specific or global Xresources file on the non-Debian host.
 >  > 
 >  > Alternatively, you could do some fancy magic with your .{t}cshrc or
 >  > .bashrc on the Debian box, and have an if block conditional on the
 >  > value of $DISPLAY, and if true, do merge in the overrides with xrdb.
 >  > Inelegant, but it should work.
 >  > 
 > 
 > Sorry, now I mixed up some things and gave you the wrong
 > information. My last statement was wrong.
 > 
 > Correst is: Xserver on local host (eg. hcl exceed), then login via xdm
 > to remote Debian host. /etc/X11/Xresources and xterm from there.
 > 
 > I don't know why it is working from if I login locally into a debian
 > box, but not if I come from remote.

I did some more testing now.

If do the Delete change via Translations:

! Make the backspace key generate ^? instead of ^H, per Debian keyboard policy.
!*VT100*backarrowKey: false

! Make the delete key generate ^[[3~ instead of ^?, per Debian keyboard policy.
! Make the home and end keys appear to always be in keypad-application mode.
*VT100.Translations: #override <Key>BackSpace: string("\177")\n\
                               <Key>Delete: string("\033[3~")\n\
                               <Key>Home: string("\033OH")\n\
                               <Key>End: string("\033OF")

it is working from other Xservers too, even on non-Debian xterms if I
help bash and emacs with recognising ^[[3~ as Delete.

So I would recommend to change this in the distribution.

Christoph