On Wed, Nov 11, 2020 at 06:58:56PM -0500, The Wanderer wrote: > On 2020-11-11 at 17:57, mmdebmail2...@marwedels.de wrote: > > > On Wednesday 11 November 2020 07:06:31 The Wanderer wrote: > > > >> At a glance, this doesn't look like it means the program thinks the > >> file isn't present, but that it thinks the file is in an invalid > >> format. > > > >> Have you confirmed that this file is in fact a valid PNG, and can > >> be opened and displayed correctly? > > > > data=data@entry=0x555555c9120c "\211PNG\r\n\032\n" > > Where does this come from? I don't recognize it at a glance. > > > I think is clearly png. Moreover ristrettro stopped to display all > > images I have tested so far. > > I've never heard of 'ristrettro' before, and I don't find it mentioned > with 'apt-cache search'. A few of the Google results for that search > term look like they may be related, but don't seem helpful in finding > out what it actually is. > > What I was thinking of as a way to confirm whether this is a PNG is to > A: first check e.g. the output of 'file' on the file, and then B: open > it in an image viewer which can handle PNGs and is known working, maybe > even one on a different computer. > > >> $ grep .-debug /etc/apt/sources.list > >> #deb http://debug.mirrors.debian.org/debian-debug/ stable-debug main > >> non-free contrib > > > > Thanks, I never knew about those repositories, this made debugging > > easier :) > > They're a comparatively recent addition to Debian; the idea as I > understand it is to both split out the debug-symbols packages so that > people who don't care about them don't need to have them show up in > package searches, and make it practical to have such packages be > autogenerated for all relevant packages rather than only existing if the > maintainer set things up to specifically generate one. > Ristretto (no r before the final o) is an image viewer. It's in debian main
Maintainer: Debian Xfce Maintainers Homepage: https://docs.xfce.org/apps/ristretto/start Cheers, Don MacDougall