[Bug 83568] gnumeric does not read or write excel format

[Peter Fein]

Same problem here on Edgy x86, with 1.7.0-1ubuntu4 .  gnumeric fails to
open XLS files, but gnumeric-gtk works just fine.

Dunno if either of the following are relevant but FYI:

1. I'm a Kubuntu user.

2. Installing gnumeric-gtk pulled in pxlib1, while plain gnumeric did
not.

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amd64 version of gnumeric does not read or write excel format
https://launchpad.net/bugs/83568