Bug#4909: lynx, mailcap, ...
On Tue, 22 Oct 1996, Brian C. White wrote:
> Package: xv
> Version: 3.10a-5
>
>
> > I have been using the web browser lynx because of it's low
> > profile memory wise and low resource consumption.
> >
> > However, recently I got the zgv utility to view pictures with
> > SVGALIB. Whenever I click on an inline image though, lynx goes
> > to "xv %s &" as the program to display it.
> >
> > Under X this is fine. Under text mode, it is not: I can rig xv
> > to run the zgv program, but it needs to be able to see the
> > keyboard.
>
> This is a bug against the "xv" package. It should install
> itself into the /etc/mailcap file using "install-mime". As
> long as the proper test is specified ('test -n "$DISPLAY"')
> then Lynx will ignore that entry when not under X and go to
> the next alternative.
>
> xv needs needs postinst/prerm scripts with something like
> the following:
(clip)
>
> The "postinst" should have one call to "install-mime" for every type
> of graphic image that xv supports.
>
> Brian
> ( bcwhite@verisim.com )
>
> -------------------------------------------------------------------------------
> measure with micrometer, mark with chalk, cut with axe, hope like hell
>
I'm glad this is being looked at, but in my personal case it was
just my fault (see below). If it turns out I have unwittingly
drawn attention to a bug in a package, then excellent.
I don't fully understand the install-mime program's semantics,
(and this is not the list for me to learn them on of course),
but another person sent me this info:
>From: Klaus Weide <kweide@tezcat.com>
>To: Kevin M Bealer <kmb203@psu.edu>
>Subject: Re: lynx, mailcap, ...
>
>On Sun, 20 Oct 1996, Kevin M Bealer wrote:
>
>> I have been using the web browser lynx because of it's low
>> profile memory wise and low resource consumption.
(clipped)
>
>Some commands for viewing various image types are actually hardwired
>into the Lynx binary (i.e. they can be changed at compile time.)
>But they are only used if Lynx thinks it is running under X.
>In other words, they are only used if the DISPLAY environment
>variable is set when Lynx starts up. Do you have this set while
>running Lynx from the console? You shouldn't. Or if for some reason
>you *want* DISPLAY to be define in a console session (which will
>probably confuse other programs, too, not just Lynx...) unset it
>before starting Lynx, e.g. (with bash)
>
>(unset DISPLAY; lynx [possible command flags here] )
>
> Klaus
>
>P.S the above is not based on the Debian package of Lynx, but my own
>compiled version of 2.6 (and the sources).
>
This seems to fix the problem for me. AFAIK, I don't think
Debian tries to do anything with DISPLAY by itself, except
whatever is in X.
As far as the install mime and so on, I have been manually
twiddling with the related file for long enough that I don't
think my case is the general case any more ;) so I must plead
ignorance of how well all that works, except to say I'm glad it
is getting more automated --> thanks, guys! I have to say that
while other Linux distributions are good at providing a decent
system, I am glad of Debian's interest in improving on the
design of the installation ie with mime-install and /etc/init.d/
and so on.
--kmb203@psu.edu---------------Debian/GNU--1.1---Linux--2.1.3---
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