This is fixed in the maverick version of ubuntu (10.10).
** Changed in: python-markdown (Ubuntu)
Status: New = Fix Released
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package python-markdown (not installed) failed to install/upgrade: trying to
overwrite '/usr/bin/markdown', which is also in package libtext-markdown-perl
** Attachment added: AptOrdering.txt
https://bugs.launchpad.net/bugs/655435/+attachment/1674281/+files/AptOrdering.txt
** Attachment added: Df.txt
https://bugs.launchpad.net/bugs/655435/+attachment/1674282/+files/Df.txt
** Attachment added: Dmesg.txt