[PLUG] Quick GUI EXIF Comment field editor?

[Greg Helledy <gregsonh@gra-inc.com>]

Windows 7 has a handy built-in photo viewer, where you can right-click 
(or something) on the current photo and type a Comment.  This gets added 
to a field in the EXIF data that sticks with the photo.
The only standard Linux photo app I know of that lets me edit the 
comment field is GIMP, but that requires you to open photos 
individually, and .jpeg isn't its native format.
Gwenview seems to be intended as an equivalent of the Windows app, but 
doesn't have the Comment feature.  I can go into Plugins, Images, Edit 
All Metadata and edit fields there, but doing so doesn't even trigger 
that the file's been altered (the "Save" function remains grayed-out) 
and even if I do trigger a change and save the file, the comment isn't 
retained.
I installed DigiKam, but it's a big complicated piece of software, it 
seems like serious overkill to just do this (and maybe rotate photos 
snapped sideways).  Is there any quick & easy linux tool for slapping 
comments onto personal photos in a way that they can then be viewed on 
all platforms?

--
Greg Helledy
GRA, Incorporated
P:  +1 215-884-7500
F:  +1 215-884-1385
www.gra.aero
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