Guidance on sort order triangle direction is opposite of prevailing convention
This has been discussed looong ago here https:/
I don't know exactly what relation there is between gnome and unity, but I'm astonished to see that the issue is also present in Unity two years later (two years since the first comment; the bug report indeed dates back to 2005!!).
The small end of the triangle (i.e. its tip) should correspond to the side where things are small (i.e. small numbers, strings beginning with 'a', etc), and the big end of the triangle (i.e. its base) should correspond to the side where things are big (big numbers, strings beginning with 'z',...). So a triangle with the tip on the top should mean "ascending downwards", and a triangle with the tip on the bottom and the base on the top should mean "descending downwards". This is the prevailing convention EVERYWHERE except in Ubuntu, and it is also the only one that makes sense.
The only possible ambiguity (or questionability) is with dates, because an earlier date can be regarded as "smaller" than a more recent date but also as a "bigger" time ago.
Apparently, the (wrong) rationale behind the reverse directioning is that the triangles are mistakenly seen as "arrows" indicating in which physical direction the values are increasing. Hence a "down arrow" (triangle with the tip at the bottom) would mean "the values increase downwards". Note however that this reasoning is fundamentally flawed in that it requires an already implicit "increasing" ordering: if the arrow points "downwards" you have to read "downwards is increasing", if it points upwards you have to read "upwards is increasing".
DistroRelease: Ubuntu 11.10
Package: unity 4.24.0-0ubuntu2b1
Uname: Linux 3.0.0-13-generic i686
NVRM version: NVIDIA UNIX x86 Kernel Module 280.13 Wed Jul 27 16:55:43 PDT 2011
GCC version: gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3)
Date: Thu Dec 8 14:46:31 2011
DistUpgraded: Log time: 2011-12-07 19:34:40.350850
nVidia Corporation G84 [GeForce 9500M GS] [10de:0405] (rev a1) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:15d2]
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
xorg:nvidia_173 - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
MachineType: ASUSTeK Computer Inc. M51Sn
UpgradeStatus: Upgraded to oneiric on 2011-12-07 (0 days ago)
dmi.bios.vendor: American Megatrends Inc.
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz 1:0.9.6+
version.libdrm2: libdrm2 2.4.26-1ubuntu1
|affects:||unity (Ubuntu) → light-themes (Ubuntu)|
|affects:||unity → light-themes|
|affects:||light-themes (Ubuntu) → ubuntu-themes (Ubuntu)|
|no longer affects:||ubuntu-themes (Ubuntu)|
|affects:||light-themes → ubuntu-themes (Ubuntu)|
|Changed in ubuntu-themes (Ubuntu):|
|assignee:||nobody → Lars Uebernickel (larsu)|
|status:||Triaged → Confirmed|
|status:||Confirmed → In Progress|