I did some debugging on this. In short, Thunar does not handle multiple
MIME types being specified for the same file extension. For a given
extension, Thunar seems to use whatever MIME type is listed last
in /usr/share/mime/globs. Relevant code is at
thunar-vfs-mime-legacy.c:660 (Thunar 1.0.1).
There may be extensions which can legitimately be used for more than one
MIME type, I don't know. But in this case, I think the problem is with
the MIME database, not Thunar. That is, .ogg should always be
audio/ogg, and .doc should always be application/msword. Correct me if
I'm wrong.
Patches for the relevant packages attached:
shared-mime-info: /usr/share/mime/packages/freedesktop.org.xml
kdelibs5-data: /usr/share/mime/packages/kde.xml
Peace,
John Lindgren
--- freedesktop.org.xml.0 2009-11-08 13:43:01.000000000 -0500
+++ freedesktop.org.xml 2009-11-21 19:20:24.000000000 -0500
@@ -9416,7 +9416,6 @@
<match value="\x01vorbis" type="string" offset="28"/>
</match>
</magic>
- <glob pattern="*.ogg"/>
</mime-type>
<mime-type type="audio/x-flac+ogg">
<comment>Ogg FLAC audio</comment>
@@ -9458,7 +9457,6 @@
<match value="\177FLAC" type="string" offset="28"/>
</match>
</magic>
- <glob pattern="*.ogg"/>
</mime-type>
<mime-type type="audio/x-speex+ogg">
<comment>Ogg Speex audio</comment>
@@ -9496,7 +9494,6 @@
<match value="Speex " type="string" offset="28"/>
</match>
</magic>
- <glob pattern="*.ogg"/>
</mime-type>
<mime-type type="audio/x-speex">
<comment>Speex audio</comment>
@@ -9571,7 +9568,6 @@
<match value="\x80theora" type="string" offset="28"/>
</match>
</magic>
- <glob pattern="*.ogg"/>
</mime-type>
<mime-type type="video/x-ogm+ogg">
<comment>OGM video</comment>
@@ -23929,4 +23925,4 @@
</treemagic>
</mime-type>
-</mime-info>
\ No newline at end of file
+</mime-info>
--- kde.xml.0 2009-10-02 04:18:06.000000000 -0400
+++ kde.xml 2009-11-21 19:12:12.000000000 -0500
@@ -145,9 +145,6 @@
<glob pattern="*.pnx"/>
<glob pattern="*.rdc"/>
</mime-type>
- <mime-type type="text/plain"> <!-- As discussed on xdg list, *.doc is needed here for disambiguation -->
- <glob pattern="*.doc"/>
- </mime-type>
<mime-type type="text/x-hex">
<sub-class-of type="text/plain"/>
<comment>Intel® hexadecimal object file</comment>
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